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Human Body Systems

Human Body Systems. Levels of Organization in a multicellular organism include:. 1. Cells. 2. Tissues. 3. Organs. 4. Organ Systems. There are 11 organ systems in the human body that work together to maintain the body’s homeostasis. Nervous System. Structures include:.

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Human Body Systems

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  1. Human Body Systems

  2. Levels of Organization in a multicellular organism include: 1. Cells 2. Tissues 3. Organs 4. Organ Systems

  3. There are 11 organ systems in the human body that work together to maintain the body’s homeostasis.

  4. Nervous System Structures include: Brain…Spinal Cord… Peripheral Nerves Function: Recognizes and coordinates the body’s response to both internal and external environments

  5. DENTRITES AXON Nerve Cell

  6. Integumentary System Structures include: Skin…Hair…Nails… sweat and oil glands Function: 1. Serves as a barrier against infection 2. Regulates Body Temperature 3. Provides Protection from UV Radiation from the Sun

  7. Skin Cross Section

  8. Respiratory System Structures include: Nose…Pharynx… Larynx…Trachea… Bronchi…BronchiolesLungs Function: Provides Oxygen for cellular respiration andRemoves Carbon Dioxide from the body

  9. Digestive System Structures include: Mouth… Pharynx… Esophagus…Stomach Sm and Lg Intestines Rectum Function: 1.Converts food into smaller molecules that can be used by the body 2. Absorbs food 3. Eliminates wastes

  10. Digestive System

  11. Skeletal System Structures include: Bones…Cartilage… Ligaments…Tendons Function: 1. Supports the Body 2. Protects internal organs 3. Allows for movement 4. Stores minerals 5. Site for Blood Cell formation

  12. Muscular System Structures include: Skeletal Muscle Smooth Muscle Cardiac Muscle Function: 1. Works with the skeletal system to produce voluntary movement 2. Helps circulate blood 3. Helps move food through the digestive system

  13. Circulatory System Structures include: Heart, Blood Vessels, Blood Function: 1. Brings O2, Nutrients, and Hormones to Cells 2. Fights Infection 3. Removes Cell waste 4. Helps regulate Body Temperature

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