Keeping hazardous substances out of the body
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Keeping Hazardous Substances out of the Body. Set 57—No.2: Skin—300 X. Set 57—No.2: Skin. More info: The cells at the bottom are alive and dividing. Cells at the surface are dead and eventually flake off. Set 57—No.1: Epidermis—16 X. Set 57—No.1: Epidermis. More info:

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Set 57 no 2 skin
Set 57—No.2: Skin

More info:

The cells at the bottom are alive and dividing.

Cells at the surface are dead and eventually flake off.



Set 57 no 1 epidermis
Set 57—No.1: Epidermis

More info:

A = outer layer of dead skin cells

B = growth layer of skin

C = connective tissue

D = sense organ

E = fat cells



Set 57 no 4 sweat gland
Set 57—No.4: Sweat Gland

More info:

This slide shows skin from the palm.

Sweat glands also release excess heat, preventing overheating.



Set 95 no 1 human blood
Set 95—No.1: Human Blood

More info:

Red blood cells carry oxygen to cells.

White blood cells are involved with protecting us from invaders.

Pt = platelets (make blood clot)

PL = plasma (fluid)




Set 95 no 4
Set 95—No.4:

More info:

The white blood cell is the larger cell.

The dark smaller cells are the bacteria.



Set 95 no 41
Set 95—No.4:

More info:

This 3d image shows the white blood cell and its pseudopods beginning to engulf the rod shaped bacterium.





Set 95 no 8 infected blood
Set 95—No.8: Infected Blood

More info:

Tsetse flies carry trypanosomiasis (sleeping sickness).

Blood is poisoned, lymph nodes and the brain’s covering swell.

The large brownish spot with the dark markings is a white blood cell.


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