Cell specialization in Animals

Question 1

Factors thet influence cell differeniation

Answer 1

1. whats in thier cytoplasm
2. the environmental conditions
3. influence from neighbour cells

Question 2

Why might there be abnormal development in cells

Answer 2

bad envionrmental factors, pollution, deceases, and parasites

Question 3

Why tissues cells dont divide?

Answer 3

the genes turned of and connot divide anymore becasue it consists of matured and specilized cells in a group.

Question 4

4 types of tissues for amanimal cells and description

Answer 4

1. epithelial tissue
   - protection
   - lines the surface of body between
2. connective tissue
   - support
   - binding organs
   - transporting substances
3. muscular tissue
   - movement
4. nervous tissue
   - nerve impulses
   - co-ordination of body functions

Question 5

3 types of muscle tissues

Answer 5

SKELETAL:
- atatched to bones
- found in limbs
- straight lines

SMOOTH:
- found in blood vessels & lining of organs
- tapered at both ends

CARDIAC
- found in heart
- unevenly shaped

Question 6

3 connective tissues

Answer 6

BONES:
- necessary for movement

ADIPOSE (fate)
- necessary for energy storage, padding and insulation

BLOOD
- transports nutrients and gasses

Question 7

Stem Cells

Answer 7

unspecialized cells that when duplicated can change into specialized cells