Test

Question 1

What are the hairs in your throat called

Answer 1

Cillia

Question 2

What is the anaerobic equation

Answer 2

Glucose> lactic acid + energy ( atp) ( less energy)

Question 3

What is the aerobic equation

Answer 3

Glucose+oxygen> carbon dioxide +water+ energy (atp)

Question 4

where does respiration occur

Answer 4

Mitochondria

Question 5

Which one gives off the most energy

Answer 5

Aerobic

Question 6

Remember

Answer 6

Last question the answer is paralyse

Question 7

What is the model of the lungs called

Answer 7

Bell jar

Question 8

Label the lung diagram

Answer 8

Trachea -need
Intercostal muscles
Alveolus-need
Ribs
Lung
Diaphragm
Bronchis bronchiole

Question 9

What happens to diaphragm and ribs when you breath in

Answer 9

Diaphragm moves contracts and flattens
Ribs move ups and out

Question 10

How does pressure in the lungs change when the volume increases?

Answer 10

Decreases

Question 11

Name the process by which gas exchange occurs

Answer 11

Diffusion

Question 12

Describe two ways the structure of the alveolus is adapted for this function

Answer 12

Large surface area thin wall( one cell thick) or close blood supply

Question 13

Label the diagram on the alveolus

Answer 13

Bronchiole - on the test

Question 14

Name the gas y shown on the diagram above

Answer 14

ANSWER IS CO2

Question 15

Explain how gas x passes from the alveolus into the blood capillary

Answer 15

1. Oxygen
2. Diffuses into blood capillary

Question 16

What re the gases number of inspired and expired are

Answer 16

O2 21% 16%
CO2 0.04% 4%
N2 79% 79%
Water vapour Varies <1%

Question 17

What is the difference in percentage efficiency of a 60 year old non smoker and a 60 year old heavy smoker

Answer 17

REMEMBER
93-48=45

Question 18

Continuing to make heavily can damage the lungs and lead to disability . At what age does the graph show this disability occurring

Answer 18

65.5/66

Question 19

Suggest what lung damages mentioned in (I) could be

Answer 19

Lung cancer/ emphysema

Question 20

Susan is a 50 year old smoker. Use the graph opposite to suggest what Susan might expect to happen if she gives up smoking now

Answer 20

1. Lives longer( lives to 85)
2. Live longer without a disability

Question 21

WHAR happens during inspiration and how

Answer 21

Air moves through the nasal cavity then goes to the trachea, bronchus, bronchiole, alveoli, and diffuses into blood stream. The intercostal muscles contract and flattens the ribs move up and out diaphragm contracts and flattens volume increases pressure decreases and air is drawn in.