Respiratory system

Question 1

Respiration

Answer 1

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

Question 2

Inhalation

Answer 2

the process by which air enters your lungs

Question 3

Exhalation

Answer 3

the action of sending air out of your lungs

Question 4

Diaphragm

Answer 4

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

Question 5

Alveoli

Answer 5

microscopic balloon-shaped structures located at the end of the respiratory tree.
*They expand during inhalation, taking in oxygen, and shrink during exhalation, expelling carbon dioxide