Question

list three categories of substances which are ensured in diffusion due to large scale/volume of the ratio of the ratio ​

Answer 1

Answer:

Explanation:

The first category is the respiratory gases, i.e., carbon dioxide and oxygen which are diffused in and out from the alveoli.

+The second are the nutrients absorbed from the villi of small intestine.

+The third category is the waste which is generated by the cells.

Answer 2

1. Nutrients into the cell
2. excretion of metabolic waste from all to outside
3. respiratory gases into the cell and put of the cell
4. any damage to the cell can be easily repaired