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Body Systems

Body Systems. Dividing the body. Provides all body systems with oxygen and nutrients Carries away carbon dioxide and other wastes. Circulatory System. Consists of: Blood (oxygen source for the body) Heart (pumps blood throughout the body) Arteries (carry blood away from heart)

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Body Systems

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  1. Body Systems Dividing the body

  2. Provides all body systems with oxygen and nutrients • Carries away carbon dioxide and other wastes Circulatory System

  3. Consists of: • Blood (oxygen source for the body) • Heart (pumps blood throughout the body) • Arteries (carry blood away from heart) • Veins (carry blood to the heart) …. Continued

  4. Systolic (peak pressure in the arteries) • Diastolic (minimal pressure in arteries) Blood Pressure

  5. Breaks down food into chemicals that the body can use for energy and to maintain cells and tissues Digestive System

  6. Consists of: • Liver (detoxification and protein synthesis) • Stomach (1st step of digestion after chewing) • Small Intestine (where MOST digestion takes place) • Large Intestine (absorbs water and pass useless waste through the body) Digestive System

  7. Carries oxygen from the air to the bloodstream and rids the body of carbon dioxide Respiratory System

  8. Consists of: • Lungs • Bronchi (trachea to lungs) • Bronchial tubes (bronchi to alveoli) • Alveoli (lungs to bloodstream- gas exchange) Respiratory System

  9. Gathers information from the external environment, stores and processes it, and initiates appropriate responses Nervous System

  10. Consists of: • Axon • Dendrite • Neuron- Processes and transmits information by electrical signaling • Brain- Controls all senses Nervous System

  11. Central Nervous System- Brain and Spinal Cord • Peripheral Nervous System- Connects the body to the CNS Nervous System Components

  12. Cerebrum- Largest part of the brain. Controls all senses and emotions • Cerebellum- Second largest. Controls muscle coordination, balance, and posture • Brainstem- Connects to spinal cord. Controls heart rate, blood pressure, and breathing Brain

  13. Provides the framework and protection for the body • The typical human body has 206 bones Skeletal System

  14. A place where two bones connect is called a joint. Pivot Ball and Socket Hinge Skeletal and Muscular System

  15. Types of Muscle • SMOOTH- makes up your internal organs (stomach and intestine) • CARDIAC- (you better know) • SKELETAL- muscle that attaches bone to bone Skeletal and Muscular System

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