Respiration Flashcards
1
Q
What do we need energy for?
A
We need energy for movement and to carry out reactions in our cells.
2
Q
Where do we obtain energy from
A
Food
3
Q
What is the word equation for respiration
A
Glucose + Oxygen = Carbon dioxide + Water + Energy
4
Q
What is the percentage of oxygen if u inhale air
A
21%
5
Q
What is the percentage of oxygen if u exhale air
A
16%
6
Q
What is the percentage of carbon dioxide if u inhale air
A
0.03%
7
Q
What is the percentage of carbon dioxide if u exhale air
A
4%
8
Q
Between exhaled air and inhaled air, which contains more water vapours?
A
Exhaled air
9
Q
Between exhaled air and inhaled air, which is warmer
A
Exhaled air
