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Keeping Hazardous Substances out of the Body

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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Keeping Hazardous Substances out of the Body

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  1. Keeping Hazardous Substances out of the Body

  2. Set 57—No.2: Skin—300 X

  3. 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.

  4. Set 57—No.1: Epidermis—16 X

  5. 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

  6. Set 57—No.4: Sweat Gland—80 X Finger tip sweat

  7. Set 57—No.4: Sweat Gland More info: This slide shows skin from the palm. Sweat glands also release excess heat, preventing overheating.

  8. Set 95—No.1: Human Blood—900 X

  9. 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)

  10. Set 95—No.4: Cell Eating—25,000 X

  11. Set 95—No.4: Cell Eating—25,000 X rotated, enlarged

  12. Set 95—No.4: More info: The white blood cell is the larger cell. The dark smaller cells are the bacteria.

  13. Set 95—No.4: Cell Eating—25,000 Xrotated, enlarged

  14. Set 95—No.4: More info: This 3d image shows the white blood cell and its pseudopods beginning to engulf the rod shaped bacterium.

  15. Set 95—No.4: Cell Eating

  16. Set 95—No.4: Cell Eating

  17. Set 95—No.8: Infected Blood—800 X

  18. 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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