Respiration And Breathing System

Question 1

Respiration

Answer 1

Release of energy from food

Question 2

Aerobic respiration

Answer 2

Need oxygen to release energy from food

Question 3

Equation for res.

Answer 3

Food + oxygen -> energy + carbon dioxide +water vapour

Question 4

Carbon dioxide turns limewater

Answer 4

Milky

Question 5

Cobalt chloride turns …… with the presence of water

Answer 5

Pink

Question 6

Trachea/ windpipe

Answer 6

Carries air to lungs

Question 7

Bronchus/ bronchioles -

Answer 7

Each bronchus carries air between the windpipe and the lung

The 2 bronchus divide many times to form bronchioles which carry air to/from air sacs or alveoli

Question 8

Alveoli

Answer 8

Tiny air sacs within the lungs they are surrounded by tiny blood vessels called capillaries

Question 9

Capillaries

Answer 9

Tiny blood vessels surrounding the aveolis

Question 10

Diaphragm

Answer 10

Sheet of muscle that forms the base of the chest.

Question 11

Diaphragm + intercoastal muscle cause air to

Answer 11

Move in/out of the lungs

Question 12

Diffusion

Answer 12

When blood in the alveoli pass in different directions.

Question 13

Effects of smoking

Answer 13

• clogs up hairs in nose allowing dust particles to get into the lungs.
• smoke irritates the nose + bronchioles
• Greater risk of cancer