7.3 Respiration

Question 1

We should avoid putting potted plants in our bedrooms because when plants carry out _________ at night, the ________ level in the air will be reduced.

Answer 1

Respiration, oxygen.

Question 2

The chemical energy stored in food can do what to support our body activities?

Answer 2

Can be converted into other useful forms of energy.

Question 3

Where does human respiration take place?

Answer 3

Body cells.

Question 4

How do human cells release energy in useful forms from food?

Answer 4

Cells use oxygen to break down food.

Question 5

What’s the word equation for respiration?

Answer 5

Glucose + oxygen -> carbon dioxide+ water

Question 6

What’s the chemical equation for respiration?

Answer 6

C6H12O6+ 6O2 -> 6CO2 + 6H2O

Question 7

Compare photosynthesis’ and respiration’s raw materials and products.

Answer 7

(In Gallery)

Question 8

Compare photosynthesis’ and respiration’s where and when it takes place, and energy.

Answer 8

(In Gallery)