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The central canal of the spinal cord contains cerebrospinal fluid.

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Important Questions on Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.

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Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.

Redraw the picture given below. Identify the name indicated and label the parts

Question Image

The part that adjusts its size as the intensity of light varies.

EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.

Certain hormones released from the anterior lobe of pituitary gland are given.
Thyroid Stimulating Hormone (TSH)
Adreno Cortico Tropic Hormone (ACTH)
Gonado Tropic Hormone (GTH)

Write the common feature of these hormones.

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Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.

Reflex actions occur when the following incidents happen in the everyday life of a human. Give the importance of these two reflex actions:

(i) When food particles enter into the trachea

(ii) When foreign particles enter inside the nasal cavity

MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.
Mention the exact location of the following:
(iii) Malleus
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Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.

Certain hormones released from the anterior lobe of pituitary gland are given.
Thyroid Stimulating Hormone (TSH)
Adreno Cortico Tropic Hormone (ACTH)
Gonado Tropic Hormone (GTH)

Write one function of ACTH and TSH.

MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.

Mention the exact location of the following

Incus.

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Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.
Lack of _____ leads to diabetes.
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Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.

The nervous system uses both electrical and chemical means to send and receive messages.

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Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.
_____ are glands are known as ductless glands. (exocrine/endocrine)
MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.
The hole located at the centre of the iris of the eye through which the light enters the eye is _____. (pupil/cornea)
EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.

Choose the correct option that performs the function given below:

It protects the brain.

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Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.
A double chain of ganglia, one on each side of the nerve cord belongs to the spinal cord.
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Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.
The onset of puberty is controlled by _____.
MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.

Complete the analogy using the given words: (sound, gravity, touch, water)

Stem : light :: roots : _____.

EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.
The nervous system extracts information from the environment using sensory receptors.
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Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.
The retina of the human eye has _____ receptors of coloured light.
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Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.
Choose the part of the brain.
MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.
Most plants grow towards _____.
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Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.
The cerebrum of the brain maintains the balance of the body.
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Life Sciences>From Molecules to Organisms: Structures and Processes>Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.>Information Processing - Each sense receptor responds to different inputs (electromagnetic, mechanical, chemical), transmitting them as signals that travel along nerve cells to the brain. The signals are then processed in the brain, resulting in immediate behaviors or memories.

Fill in the blank with the correct option.

(Adrenaline, Thyroxine, Oestrogen, Testosterone, Insulin)

_____ stimulates growth and development of the body.