Cell Differentiation

Question 1

What are specialised cells organised into

Answer 1

Tissue - is a group of similar cells carrying out the same function
Organ- a group of several tissues which preform a particular function for the whole organism
Organ system-several organs working together

Question 2

Explain an epithelial cell

Answer 2

Cells lining the walls of the small intestine to maximise absorption of small soluble molecules into blood

These cells have microvilli to increase surface are
Many mitochondria for respiration to make more atp for active uptake of molecules
Many specific protein carriers in cell membrane