Question

Read Slides 9-10. Which statement accurately describes a major difference between human and frog respiration?

a
Both humans and frogs use their diaphragm muscles to breathe.
b
Frogs yawn to take in oxygen through their mouths, while humans only breathe through their noses.
c
Frogs use their mouth muscles and skin sacs to breathe, while humans use diaphragm muscles.

Answer 1

The statement that accurately describes a major difference between human and frog respiration is:

**c** Frogs use their mouth muscles and skin sacs to breathe, while humans use diaphragm muscles.

Frogs have a unique respiratory system that allows them to breathe through their skin as well as using their mouth, whereas humans primarily use their diaphragm to facilitate breathing.