Question

answer these questions​

Answer 1

1.

a. oxygen.

b. by breathing, because body needs oxygen to obtain energy to fuel all our living processes.

c. blood.

d. it'll digest by the help of digestive system.

e. because it provides us energy and maintains our immune system, imagine if we don't eat for almost a day or two, our body weakens because we lack of nutrients that foods provide.

2.

a. earth

b. (air) oxygen, carbon dioxide

c. gills using oxygen

d. lungs using oxygen

e. stamata using oxygen

f. water

g. food

h. herbivores

i. carnivores

j. omnivores