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Recognizing Cells

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Page 1: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

Recognizing Cells

Page 2: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

A. Somatic Body Cells

1. Trillions of cells in a human body.

2. Over 200 different types of cells.

3. Shapes go with their functions.

Page 3: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

B. Types of Cells

1. Fibroblasta. Found in Connective Tissueb. Makes collagenc. Secretes proteins to make fibers

d. Elongated with many ER.

Page 4: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

Fibroblast

Page 5: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

B. Types of Cells

2. Erythrocte(red blood cell)a. Carries oxygen in bloodb. Disk shapec. It has no cell organelles

Page 6: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

Red Blood Cells

Page 7: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

B. Types of Cells

3. Epithelial Cella. Form surfaces like mouth or skin

b. Hexagonal shapec. Has fibers which resist tearing

d. Form compact layers

Page 8: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

Epithelial Cell

Page 9: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

B. Types of Cells

4. Smooth Muscle Cella. Can contractb. Long pointed cellsc. Move muscles around organs

Page 10: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

Smooth Muscle

Page 11: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

B. Types of Cells

5. Fat Cella. Formed by a fat dropletb. Stores fatc. Round, little room for organelles

Page 12: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

Fat cell

Page 13: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

B. Types of Cells

6. Macrophagea. Cell found in bloodb. Engulf debris, viruses, bacteria

c. Has pseudopodia extensions for

moving

Page 14: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

Macrophage

Page 15: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

B. Types of Cells

7. Nerve Cell (neuron)a. Has dendritic extensionsb. Transmits electrical impulses

c. Covered in an insulating plasma

membrane

Page 16: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

Neuron

Page 17: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

B. Types of Cells

8. Goblet Cella. Found in the stomachb. Secrete substances that make

mucus c. Protect the stomach from acids

Page 18: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

Goblet Cell

Page 19: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

B. Types of Cells

9. Osteocytea. Found in bonesb. Control new bone formation

c. Regulator of phosphate metabolism

Page 20: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

Osteocyte

Page 21: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

B. Types of Cells

10. Chief Cella. Makes pepsinogen to help digest

proteinsb. Produces lipase to aid in digesting

triglyceridesc. Found in the stomach lining

Page 22: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

Chief Cell

Page 23: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

C. Sex Cells

1. Cells made by either testes or

ovaries2. Called Gametes3. Have half the number of

chromosomes as somatic cells

Page 24: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

D. Types of Sex Cells

1. Egg

a. Produced by females b. Largest cell in the body c. Has and abundance of cell organelles d. Has half the chromosomes to produce

and offspring

Page 25: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

Egg Cell

Page 26: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

D. Types of Sex Cells

2. Sperm

a. Produced by ales b. Has a flagella to aid in movement c. Has and abundance of mitochondria d. Has half the chromosomes to produce

and offspring

Page 27: 1. Trillions of cells in a human body. 2. Over 200 different types of cells. 3. Shapes go with their functions

Sperm


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