1. Cells 2. Tissues 3. Organs 4. Body Systems Your Body has 4 levels of Organization: of Organization:

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1. Cells 2. Tissues 3. Organs 4. Body Systems Your Body has 4 levels of Organization: of Organization:

Cells n Are the smallest living part of the body. n Their function is to break down food to get energy. n Oxidation is the process by which cells use oxygen to break down food and carbon dioxide is released.

Tissue ÜA group of same kind of cells that work together to perform a certain job ÜThere are 4 types of tissue: 1. Epithelial Tissue- 2. Connective Tissue - 3. Muscle Tissue - 4. Nerve Tissue - covers the skin and internal organs. supports the body. It connects one part of the body to another. responsible for body movements. carries messages throughout your body about sight, smell, and taste.

Organs Are two or more different tissues that work together. Examples of organs are: Heart Stomach Liver Kidneys Lungs Pancreas

There are 10 body systems: 1. Skeletal 2. Muscular 3. Nervous 4. Circulatory 5. Respiratory 6. Digestive 7. Urinary 8. Lymphatic 9. Endocrine 10. Reproductive A GROUP OF ORGANS THAT WORK TOGETHER TO PERFORM A MAIN BODY FUNCTION.

Make-up of a living organism Cell Tissue Organ Body System Human Body