biolgy

biolgy

cells and system
1. you can tell that some thing is living because it needs to be able to move
2. Cells
  1. Cells are the basic building blocks of all animals and plants.
Animal cells and plant cells
1. Animal cells usually have an irregular shape, and plant cells usually have a regular shape. Cells are made up of different parts.
  1. Cell membrane
    1. Controls the movement of substances into and out of the cell
      1. they can be found in plants and d animals cells
2. Cytoplasm
  1. Jelly-like substance, where chemical reactions happen
3. Nucleus
  1. Carries genetic information and controls what happens inside the cell
4. Vacuole
  1. Contains a liquid called cell sap, which keeps the cell firm
5. Cell wall
  1. Made of a tough substance called cellulose, which supports the cell
Human reproduction
1. glands sperm ducts urethra penis testes
2. Sperm duct and glands
  1. The sperm pass through the sperm ducts, and mix with fluids produced by the glands. The fluids provide the sperm cells with nutrients. The mixture of sperm and fluids is called semen.
disease
1. Microbes
  1. fungi bacteria viruses
    1. Useful microbes
      1. yeast is useful because you can make bread
        Harmful microbes
        athlete's foot thrush
        diseases caused by viruses
        chicken spots

Resumo de Recurso

	Criado por eoghan cannon aproximadamente 8 anos atrás