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To maintain a well-balanced life, you need these 5 Basic Needs of the Human Body.
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To maintain a well-balanced life, you need these 5 basic needs:
Oxygen Water Sleep Shelter Food |
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Homeostasis
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The human body moderates the substances, so that they are balanced
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Levels of Organization in the Body
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1. Cells:The smallest living unit in the body.
Ex. neuron (nerve cell), hepatocyte (liver cell). 2. Tissues: A group of cells with similar structure and function. The four types of tissue are: epithelial (skin) tissue, connective tissue, muscle tissue, and nerve tissue. 3. Organs: They are structures that consist of two or more types of tissues that work together to do the same job. Ex. heart, brain. 4. A group of organs that contribute to specific functions within the body. Ex. respiratory system. |
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How many organs systems are in total?
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There are 12 organ systems in total
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Anatomy
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Is the study of an organism’s body structures and their location.
WHAT the body is. |
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Physiology
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Is the study of the functions of each body part.
Think of this as what the body DOES. |
