True or false about breathing

Exercise and reference answers

Questions

1. Statement is true

   No

   Statement

   Gas exchange happens in the conducting zone.

2. Statement is true

   Yes

   Statement

   Surfactant lowers surface tension.

3. Statement is true

   Yes

   Statement

   If volume rises, gas pressure falls.

4. Statement is true

   No

   Statement

   The pulmonary artery carries oxygenated blood.

5. Statement is true

   Yes

   Statement

   Gas exchange happens by simple diffusion.

Instructions

Decide whether each statement is true or false.

Explanation