7.3 Repiration

Question 1

Chemical energy in food converts into

Answer 1

Other useful forms of energy to support body activities

Question 2

Where respiration

Answer 2

Body cells

Question 3

Respiration process

Answer 3

Cells use oxygen to break down food (glucose) to release energy in useful forms
Carbon dioxide and water are produced

1. Occurs in body cells
   ⬇️ oxygen
2. Break down food
   ⬇️
3. Release energy (+ produce co2, water)

Question 4

Word equation and chemical equation for respiration

Answer 4

Energy released
^
J
Glucose + oxygen ——> carbon dioxide + water

C6 H12 O6 + 6O2 ——> 6CO2 + 6H2O

Question 5

Why plants carry out respiration as well

Answer 5

Release energy fr food they produce

Question 6

Photosynthesis VS Respiration
Raw materials
Products
Where
When
Energy

Answer 6

Co2, water Food (glucose), oxygen
Food (glucose), oxygen Co2, water
Plants Plants, animals
Presence of light All the time
Stored in food Released fr food