Unit 2

1. Human Body
Relation
It is the most importans organ in our body.

2. Brain
The mass of nerve tissue in the head

3. Iris
Round coloured part of your eye

4. Muscle
Tissue composed of long cells to controct
or relax to produce movements

5. Neuron
Special cell that is capable of sending
commands to muscles

6. Skeletal System
Bones of humans or animals

7. Skull
The bony fromework of the head

8. Smell
Give off or have and odor

9. Taste
Sense organs that detect taste

10. Senses
1-Singt
2-Hearing
3-Smell
4-Taste
5-Touch

11. The Nevious
System
1-Cerebrum
2-Cerebellum
3-Medulla
4-Cranium
5-Spinal Cord

12. Skeletal System
The bones,joints,ligaments and
cartlage in our body from our
skeleton.
Thera are 206 bones in our body.

13. Muscular System
We have three types of muscles:
skeletal, smooth and cardiac