1. trillions of cells in a human body. 2. over 200 different types of cells. 3. shapes go with...
TRANSCRIPT
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.
B. Types of Cells
1. Fibroblasta. Found in Connective Tissueb. Makes collagenc. Secretes proteins to make fibers
d. Elongated with many ER.
B. Types of Cells
2. Erythrocte(red blood cell)a. Carries oxygen in bloodb. Disk shapec. It has no cell organelles
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
B. Types of Cells
4. Smooth Muscle Cella. Can contractb. Long pointed cellsc. Move muscles around organs
B. Types of Cells
5. Fat Cella. Formed by a fat dropletb. Stores fatc. Round, little room for organelles
B. Types of Cells
6. Macrophagea. Cell found in bloodb. Engulf debris, viruses, bacteria
c. Has pseudopodia extensions for
moving
B. Types of Cells
7. Nerve Cell (neuron)a. Has dendritic extensionsb. Transmits electrical impulses
c. Covered in an insulating plasma
membrane
B. Types of Cells
8. Goblet Cella. Found in the stomachb. Secrete substances that make
mucus c. Protect the stomach from acids
B. Types of Cells
9. Osteocytea. Found in bonesb. Control new bone formation
c. Regulator of phosphate metabolism
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
C. Sex Cells
1. Cells made by either testes or
ovaries2. Called Gametes3. Have half the number of
chromosomes as somatic cells
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
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