please answer me fast
Answers
Answer:
1. The fishes first take in the dissolved oxygen and carbon dioxide present in the water through their mouth, thus the bubbles that appear occasionally. Then the body absorbs the oxygen present in the input and the gaseous waste, namely carbon dioxide is released from flap like structures also known as the gill slits.
2. Smoking can cause various harmful effects in our body-
Cancer
Lung Diseases
Windpipe Damage, etc.
The rest part is supposed to be practical.
3. a. Artificial respiration is needed by an individual at the time of acute breathing problems.
b. It can be both. It is not provided permanently to someone.
c. Artificial ventilation is used to get a supply of oxygen for artificial respiration.
4.c. Yes. Children's breathing rate is much higher than adults. This is so because they have little space to exchange the oxygen and carbon dioxide in their lungs.
d. No.
HOPE THIS HELPS YOU !! HAVE A GOOD DAY !!