Question

BIOLOGY
2.1- Where does protein digestion start in human beings?
2.2. How does diffusion of gases take place in plants?
. 3- Bile Juice is necessary for digestion through it does not have any enzyme. Why?
1.4. What is the function of ribs, sternum and diaphragm in breathing?
. 5- Discuss nutrition in Amoeba.
- 6- Draw well labelled diagram of human respiratory system.
- 7- Describe the Alimentary Canal of man with the help of labelled diagram​

Answer 1

Answer:

1-stomach

2-the gases diffuse into the intercellular spaces of the leaf through small pores called stomata.

3-bile juice has bile pigments which break large fat globules into smaller globules so the pancreatic juice can act on them.