The Respiratory System

Question 1

Alveoli

Answer 1

Tiny sacs in the lungs where gases diffuse between the lungs and the blood.

Question 2

Bronchi

Answer 2

The two divisions of the trachea as it joins the lungs

Question 3

Carcinogenic

Answer 3

Causing the development of cancer

Question 4

Exhalation

Answer 4

Breathing out

Question 5

Inhalation

Answer 5

Breathing in

Question 6

Thorax

Answer 6

The centre part of the body that contains the lungs and heart

Question 7

Trachea

Answer 7

The tube leading from the mouth to the bronchi

Question 8

Ventilation

Answer 8

The act of breathing

Question 9

Diaphragm

Answer 9

The sheet of muscle at the bottom of the lungs

Question 10

Pleural membranes

Answer 10

The two membranes surrounding the lungs

Question 11

Aerobic respiration

Answer 11

The breakdown of glucose to make ATP using oxygen

Question 12

Anaerobic respiration

Answer 12

Respiration without oxygen

Question 13

In anaerobic respiration in animal cells, glucose is broken down into what?

Answer 13

Lactic acid

Question 14

Respiration uses energy stored in food molecules to build up molecules of…

Answer 14

ATP

Question 15

Aerobic respiration produces far more molecules of ATP then anaerobic respiration.

Answer 15

True

Question 16

Anaerobic respiration is employed when?

Answer 16

When there is not enough oxygen to facilitate aerobic respiration