Question

Write the chemical reactions to support your answer.
SECTION -C
12. Why no carbon di oxide is released by the plants during the day?
13. Why the breathing rate in aquatic organisms is higher as compared to
the terrestrial organisms?
14. Name the structure that prevents the air passage from collapsing.
15. Mention two changes that take place in the chest region during the process
of inhalation?
16. Write the two steps involved in the break down of glucose in our muscle
cells in case of lack of oxygen.
17. Draw a neat diagram of human respiratory system and label the
following parts:
1) Bronchi
ii) Bronchioles
iii) Diaphragm
iv) Trachea​

Answer 1

Answer:

12) bcoz during day plants perform photosynthesis so co2 released by respiration z absorbed back for photosynthesis

13)bcoz dissolved O2 in water z less so maintain balance b/t gases aquatic org respire faster

14) rings of cartilage

15)during inhalation, chest cavity bcom large n ribs r lifted up

16)glucose---->pyruvate---->lactic acid+ energy