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Assertion (A): In human heart, deoxygenated blood always flows from right ventricle into pulmonary arch only

Reason (R): Mitral valve present at the base of pulmonary arch prevents the reverse flow of blood

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Important Questions on Body Fluids and Circulation

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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
The pulmonary artery carries
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation

Which one of the following graphs best describes the Blood Pressure (BP) change when blood moves from aorta to capillaries?

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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
Assertion (A): Heart of fishes is called branchial heart.
Reason (R): It receives deoxygenated blood from body parts.
The correct option among the following is
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
How do parasympathetic neural signals affect the working of the heart?
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
The hepatic portal vein drains blood to the liver from
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
Correct course of blood circulation in human heart.
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation

Given below are sets of five terms each. Rewrite the terms in correct order in a logical sequence beginning with the first word that is underlined:

Artery, Capillaries, Venule, Vein, Arteriole.

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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
Blood pressure in the mammalian aorta is maximum during
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
Blood pressure in the pulmonary artery is:
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
In mammals, which blood vessel would normally carry the largest amount of urea?
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
Which one of the following animals has two separate circulatory pathways?
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
Write a note on pulmonary circulation?
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
Choose the schematic diagram which properly represents pulmonary circulation in humans.
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation

Short answer questions:

What is pulmonary circulation?

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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
In humans, deoxygenated blood flows from:
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
What is meant by pulmonary and systemic circulation?
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
Differentiate between oxygenated and deoxygenated blood.
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
What are the two ways in which the blood circulates in our body.
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
What is vasomotor tone?
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Biology>Human Anatomy and Physiology-II>Body Fluids and Circulation>Double Circulation
Mammals are said to have double circulation. It means