Question

D. Fill in the blanks.
1. Oxygen combines with haemoglobin in the
blood to from
2. The lungs have millions of air sacs called .......
3. Carbon dioxide and ...... are formed during internal respiration.
4. Anaerobic respiration is also known as .......
5. The larynx is responsible for .......
6. The tiny openings on stems and fruit that plants use for breathing are called
7. Alcohol is formed during respiration.
8. The opening and closing of the stomata is controlled by ...... cells.​

Answer 1

Answer:

when oxygen combined with haemoglobin it makes blood red

4. glucose

7. anaerobic respiration

8. Guard cells