Question

Fill in the blanks
1) Pharynx leads into ___________ .
2) We feel ___________ in our muscles due to anaerobic respiration.
3) Increased breathing is a sign of increased ___________ .
4) Fish have ............................... to respire.
5) Air sacs make the body of birds ............................, which help them to ...............................
6) Frogs have a ............................... mode of breathing.
7) The gills of fish are covered by the ...............................
8) Insects have ............................... for breathing.
9) Anaerobic respiration of ....................... is used in wine and beer making industry.
10) External respiration is also known as .............................
11) Amoeba and earthworms take in oxygen from their surroundings by ............................ process.
12) Bronchi branch out further to form ............................
13) The amount of nitrogen in inhaled and exhaled air remains ............................
14) Lungs are ............................ and spongy due to blood capillaries filled with blood.

Answer 1

Answer:

4. gills

5.lighter.fly

6.dual

7.pipes

8.tracheae

9.yeast

10.exhalation

11.diffusion

12bronchioles

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Answer 2

Answer:

1) oesophagus

3)heart beat

4)gills

5) light , fly

6) dual ( skin and lungs )

7) opercullum

8) tracheal system

9)yeast

10) exhalation

11) diffusion

12) bronchioles

Explanation: