Respiratory system

Question 1

Where does respiration occur?

Answer 1

Respiration occurs in cells, specially in the mitochondria.

Question 2

what is respiration?

Answer 2

Respiration is the process by which glucose is converted into energy.

Question 3

describe the process of respiration

Answer 3

1. we breathe in air
2. oxygen enters the blood
3. red blood cells transport the oxygen round the body
4. carbon dioxide is transported back to the alveoli in the blood plasma
5. mitochondria use the oxygen (and glucose) for respiration