MEDIUM
10th CBSE
IMPORTANT
Earn 100

Describe the mechanism of breathing in human beings.

Important Questions on Life Processes

MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 11
Under normal conditions, what is the rate of breathing per minute in humans?
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 11
Why does the rate of breathing increase by 20 to 25 times per minute during vigorous exercise?
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 12
Draw a diagram of the human respiratory system and label the following on it:
(i) Lungs (ii) Primary bronchus (iii) Trachea (iv) Larynx
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 13
State the role of Nasal cavity in the human respiratory system.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 13
State the role of following in the human respiratory system:
Diaphragm.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 13
State the role of following in the human respiratory system:
Alveoli.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 14
Draw a diagram of the human respiratory system showing larynx, trachea, primary bronchus and lungs.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 1 - Life Processes>EXERCISE - 1B>Q 15

Give reasons for the following:

The glottis is guarded by the epiglottis.