Respiratory System

Question 1

Respiration is controlled by

Answer 1

Respiratory control center in the medulla of the brain

Question 2

The respiratory systems function

Answer 2

Supplying oxygen to the body and eliminating carbon dioxide

Question 3

External respiration

Answer 3

The exchange of gases between the atmosphere in the blood through the alveoli

Question 4

Internal respiration

Answer 4

Exchange of gases between the blood and the body cells

Question 5

Cilia

Answer 5

Help to trap debris and keep foreign substances from entering the lungs. Found lined on the upper respiratory tubules.

Question 6

Inhalation

Answer 6

Contraction of the diaphragm to enlarge the thoracic cavity and draw air into the lungs

Question 7

Exhalation

Answer 7

Passive process during which the lungs recoil as the respiratory muscles relax and the thorax decreases in size

Question 8

Hemoglobin

Answer 8

Bound to the oxygen carried in the blood in red blood cells

Question 9

Regulator of blood pH

Answer 9

Carbon dioxide

Question 10

Terminal components of the respiratory tract

Answer 10

Alveolar ducts, alveolar sacs, and alveoli

Question 11

Components of the respiratory system include

Answer 11

Nose, pharynx, larynx, trachea, bronchi, lungs with their alveoli, diaphragm, and muscles surrounding the ribs.

Question 12

Principal arteries of the body

Answer 12

Aorta, left common carotid, right common carotid