Question

B. Fill in the blanks with suitable words given below :
lactic acid 15 - 18 diaphragm moist skin
chest cavity soil particles yeasts
1. Through
earthworms absorb atmospheric oxygen.
2. Anaerobic respiration in the muscle cells produces
3. The process of taking in of air rich in oxygen into the body is called
4. An adult human being at rest breathes in and out
3.
times in a minute.
forms the floor of the chest
5. A large muscular sheet called
cavity.
6.
in fish help them to use oxygen dissolved in water.
7. Lungs are present in the
8.
are single-celled organisms that respire anaerobically.
9. Roots take up air from the air spaces present between​

Answer 1

Answer:

1. moist skin

2. lactic acid

3. 15-18

4. diaphragm

5. gills

6. chest cavity

7. yeasts

8. soil particles