Breathing And Respiration

Question 1

What is respiration ?

Answer 1

It is the release of energy from food

Question 2

What is aerobic respiration?

Answer 2

Aerobic respiration uses oxygen to release energy from food which is used by plants and animals

Question 3

What is the word equation for aerobic respiration ?

Answer 3

Food and oxygen is equal to energy and carbon dioxide and water

Question 4

What happens when water is added to cobalt chloride?

Answer 4

Water turns cobalt chloride from blue to pink.

Question 5

How do you test the presence of carbon dioxide?

Answer 5

Carbon dioxide turns limewater from clear to milky.

Question 6

What are the gases in inhaled air?

Answer 6

Oxygen 21%
Carbon dioxide 0.04%
Nitrogen 78%
Water vapour low

Question 7

What are the gases in exhaled air?

Answer 7

Oxygen 16%
Carbon dioxide 4%
Nitrogen 78%
Water vapour high

Question 8

What is gaseous exchange?

Answer 8

1) breath in
2) oxygen moves from alveoli into blood to every cell in the body
3) co2 and water vapour moves from blood into alveoli
4) breath out carbon dioxide and water

Question 9

What are the effects of smoking?

Answer 9

Lung cancer
Lung infections 
Increases mucous in breathing system 
Damages health of baby in womb 
Increases risk of heart attacks

Question 10

What is breathing?

Answer 10

It is the taking in of oxygen and release of carbon dioxide