Respiratory system

Question 1

the process by which living organisms exchange gases, primarily taking in oxygen and releasing carbon dioxide; breathing

Answer 1

Respiration

Question 2

the process by which air enters your lungs

Answer 2

Inhalation

Question 3

thin muscle below the lungs and heart that separates the chest from the abdomen

Answer 3

Diaphragm

Question 4

microscopic balloon-shaped structures located at the end of the respiratory tree.

Answer 4

Alveoli