Biology - Study Mode

[#381] What is the purpose of the mucus in your nose?
Correct Answer

(A) Protects lungs

Explanation

Solution: Mucus has a pretty important job — it keeps the lining of your nose moist and warms the air you breathe. Mucus also protects the lungs. When you breathe in air through your nose, it contains lots of tiny things, like dust, dirt, germs, and pollen.

[#382] Precentage of CO 2 found in exhaled air is
Correct Answer

(A) 0.04

Explanation

Solution: Precentage of CO 2 found in exhaled air is 0.04.

[#383] Muscles get tired when there is shortfall of ________ .
Correct Answer

(C) ATP

Explanation

Solution: Muscles get tired when there is shortfall of ATP.

[#384] Cellular respiration is best associated with the
Correct Answer

(D) Mitochondrion

Explanation

Solution: Cellular respiration is best associated with the organelle mitochondrion.

[#385] Slow oxidative muscle fibers are best suited for
Correct Answer

(C) Running a marathon

Explanation

Solution: Slow oxidative muscle fibers are best suited for running a marathon.