Question

please give me correct answer​

Answer 1

Answer:

1. Chlorophyll

Photosynthesis is the process by which plants make their own food using carbon dioxide, sunlight.

Answer 2

2) breathing, respiration, digestion, excretion that is all the metabolic activities
3)alveoli
4)because blood flows in them with less pressure
5)by the presence of intestinal villi, which increase surface area for absorption
10) aerobic
12) same as 5
17)glycolysis and Krebs cycle
18)provide opening for exchange of gases and transpiration