How does an alveoli function?

Important Questions on The Human Body-Respiratory System

HARD

6th ICSE

IMPORTANT

FRANK NEW CERTIFICATE - Biology>Chapter 4 - The Human Body-Respiratory System>EVALUATION>Q 5

Draw a neat-labelled diagram of the human respiratory system.

MEDIUM

6th ICSE

IMPORTANT

FRANK NEW CERTIFICATE - Biology>Chapter 4 - The Human Body-Respiratory System>EVALUATION>Q 1

Give reasons why one should not breathe through the mouth.
 

EASY

6th ICSE

IMPORTANT

FRANK NEW CERTIFICATE - Biology>Chapter 4 - The Human Body-Respiratory System>EVALUATION>Q 2

Give reasons air sacs are thin-walled and many in number.