Unit 3, lesson 2: types of tissues

Question 1

what is a stem cell –> what dose it become / how

Answer 1

A stem cell is a cell with no ‘specilization’ it becomes a ‘specilized’ cell through cell differentation via mitosis

Question 2

what are the four types of specilized cells and what do they look like

Answer 2

Muscle, epithelial, connective, nervous

Question 3

Nervous tissue funtion

Answer 3

Brain, nerves
sensory, communication and co-ordination

Question 4

Epithelial Tissue

Answer 4

Skin, protective linings of organs
Covers the external and internal body surfaces

Question 5

Connective Tissue

Answer 5

bones, blood, tendons
Support, protection, insulation

Question 6

Muscle Tissue (3 types, what they are, what they look like)

Answer 6

Skeletal muscle cells, volentary (rows of muscle with little ‘beads’ between)
Cardiac muscle cells, invoulentary - pumps the heart (‘messy jumbles’ of muscle)
Smooth muscle, invoulentary - lines walls of internal organs (smooth looking)