Respiratiom

Question 1

Define diffusion

Answer 1

CO2 moves from the blood to the alveoli

Question 2

What occurs at the alveoli

Answer 2

Gas exchange

Delivery of the oxygen from the lungs into the blood stream

Question 3

What specialised cell is damaged by smoking?

Answer 3

Cillia

Question 4

Aerobic respiration

Answer 4

Glucose+oxygen—> carbon dioxide+water + energy

Question 5

Anerobic respiration

Answer 5

Lactic acid —> CO2 + energy

Question 6

Where does respiration occur

Answer 6

Cells all around the body

Question 7

Why do we respire (3)

Answer 7

• growth
• repairs
• movement

Question 8

Arteries adaptations

Answer 8

High pressure
Thick outer walls
Thick layers of muscles

Question 9

Vein adaptations

Answer 9

Low pressure
Thin walls
Thin layer of muscles
One way valves

Question 10

What things respire?

Answer 10

All living things

Question 11

Movement of diagram when inhaling

Answer 11

Contracts and moves downwards

Question 12

Movement of diagragm exhaling

Answer 12

Relaxes and moves upwards

Question 13

Movement of intercostal muscles (inhaling)

Answer 13

Contract

Moving the ribs upwards and outwards

Question 14

Movement of intercostal muscles exhaling

Answer 14

Relax

Letting ribs move downwards and inwards

Question 15

Alveoli - features

Answer 15

Give lungs big surface area

Joist thin walls (just one cell thick)

Question 16

Diffusion

Answer 16

Oxygen diffuses into capillaries

CO2 diffuses out

Question 17

Arteries - blood

Answer 17

Takes blood away from the heart

Question 18

Veins - blood

Answer 18

Bring blood back to the heart

Question 19

Capillaries - direction

Answer 19

Inbetween veins and capillaries

Small gaps

Question 20

Where is glucose from

Answer 20

Carbohydrates