Question

b. Exchange of gas happens through the i. lungs ii. ribcage iii. bronchioles iv. alveoli​

Answer 1

Answer:

iv. alveoli​

Explanation:

Oxygen molecules attach to red blood cells, which travel back to the heart. At the same time, the carbon dioxide molecules in the alveoli are blown out of the body the next time a person exhales. Gas exchange allows the body to replenish the oxygen and eliminate the carbon dioxide

Answer 2

$\huge\purple{ \underline{ \boxed{\mathbb{\red{QUESTION : }}}}}$

Exchange of gas happens through the :

• i. lungs

• ii. ribcage

• iii. bronchioles

• iv. alveoli ✔️

$\huge\purple{ \underline{ \boxed{\mathbb{\red{ANSWER : }}}}}$

Exchange of gas happens through the alveoli .