Explain how diffusion plays a part in nutrients getting to your cells.

Nutrients attach themselves to diffusion molecules outside of the cell and these molecules will then carry the nutrients across the cell membrane and release them into the cell.

1 digestive system

2 stomach

3 bladder

4 carbon deoxide

5 tiger

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.