Respiratory System

Question 1

Nose

Answer 1

• naso pharyngeal passage

* primary airway

Question 2

Mouth

Answer 2

secondary airway

Question 3

Bronchioles

Answer 3

small branches that carry air to lungs

Question 4

red blood cell

Answer 4

carry oxygen and carbon dioxide throughout the body

Question 5

epiglottis

Answer 5

• guards the opening between vocal folds while one is swallowing
• it prevents food from going into the trachea and instead directs it to the esophagus which is posterior

Question 6

left lung

Answer 6

smaller to fit heart

Question 7

right lung

Answer 7

bigger lung

Question 8

lungs

Answer 8

• essential organ for breathing

* transporting oxygen from the atmosphere to tissues, and carbon dioxide

Question 9

alveoli

Answer 9

• tiny sacs that are covered in capillaries

* exchange oxygen for carbon dioxide takes place here

Question 10

pharynx

Answer 10

• back of nasal cavity

* branches into 2 tubes: the stomach and the lungs

Question 11

larynx

Answer 11

contains vocal cords

Question 12

bronchi

Answer 12

• one bronchus goes to each lung: left and right

* the bronchi branch into thousands of tubes

Question 13

pulmonary circulation

Answer 13

blood flow between heart and lungs

Question 14

diaphragm

Answer 14

• inferior to lungs

* contraction and relaxation controls inhalation and exhalation

Question 15

trachea

Answer 15

the tube that carries air to the lungs

Question 16

capillary

Answer 16

smallest blood vessel that diffuses nutrients from the blood into tissues

Question 17

cellular respiration

Answer 17

• process of converting sugar and oxygen to ATP and carbon dioxide
• takes place in mitochondria