1. Brainpop: Cell specialization
CELL SPECIALISATION
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Brainpop: Cell specialization

2. Cell Specialisation
What are some of the differences between a NERVE cell and a MUSCLE cell?
Quiz tomorrow on organelles

3. How many different types of cells are there in the human body?
210 different types of cells in the human body

4. Neuron Receives and sends messages Part of the nervous system
What would neurons have on their membranes?
What organelle would neurons have a lot of?
Neuron Firing

5. Sperm and Egg Reproduction Sperm uses its ________ to swim to the egg.
What organelle would a sperm cell have a lot of?

6. Muscle Cells Stretch and contract to make body movements
Every movement in your body is the result of a muscle cells contracting and another set expanding.

7. Red Blood Cell
Picks up oxygen from the lungs and delivers it around the body.
unfortunately they also pick up carbon monoxide/cyanide

9. Write down what you see in each circle
LEFT
RIGHT
The Ishihara Test
Write down what you see in each circle
Top
Middle
bottom

10. Results For Ishihara Test Red-Green Colour Blind
Normal Colour Vision
Red-Green Colour Blind
Left
Right
Top 25 29
Spots
Middle 45 56
Bottom 6 8

11. Cones What numbers did you see ?
Cell in the back of your eye that detects COLOUR.
If you lack some of these cone cells you may be colour blind!
The most usual cause is a fault in the development of one or more sets of retinal cones that perceive color in light and transmit that information to the optic nerve.

12. Rods
Cell in the back of your eye that detects light, but isn’t sensitive to color.

13. Thermosensitive Nerve Cells
Primary function is to detect temperature
Also detect pain
Where are these cells located?

14. Skin Cells Provide protection and a barrier to the outside world
The cells on the outside of your skin are dead

15. Absorptive Cells These cells absorb nutrients from food.
Where do you think these cells are located?

16. These are all examples of differentiated cells.
What is an example
of an UNDIFFERENTIATED type of cell?
An example of an undifferentiated cell in a mammal is a?
A skin cell. B stem cell. C sperm cell. D nerve cell