Link Lookup

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Interdependence in Living Systems
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Systems

• Any group of parts that work together as a unit.

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How the body is organized

• Cells First level of organization the basic
  unit of structure and function.
• Tissues a group of cells that perform the same
  function.

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Types of Tissues

• Muscle
• Connective
• Nerve
• Epithelial

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Organs

• A group of tissues that perform a specific
  function.

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Organ Systems

• A group of organs that work together to perform a
  specific function.

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Interactions Within the Human Body

• Each organ system is dependent on other body
  systems.

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Nervous System

• Obtains and processes information from the bodys
  internal and external environment directs most
  body functions.
• Main components BRAIN, SPINAL CORD, AND NERVES

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Cardiovascular System

• Transports needed materials to body cells
  removes wastes (main components HEART,
  ARTERIES, VEINS)

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Digestive System

• Breaks down food and absorbs the broken-down
  materials (main components LIVER, STOMACH, GALL
  BLADDER, SMALL INTESTINE, AND LARGE INTESTINE)

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Respiratory System

• Gets oxygen into the body removes carbon
  dioxide. (Main component TRACHEA, LUNGS, AND
  DIAPHRAGM)

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Muscular System

• Enables the body to move

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Skeletal System

• Supports and protects the body works with
  muscles to enable movement processes

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Endocrine System

• Produces chemicals called hormones that help
  control many body processes (Main components
  GLANDS, PANCREAS, AND KIDNEYS THAT PRODUCE
  HORMONES)

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Excretory System

• Removes wastes helps regulate water in the body
  (Main component KIDNEY)

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Immune System

• Fights Disease (Main components LIVER, LYMPH
  NODES, WHITE BLOOD CELLS, BLOOD, AND THYMUS)

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Skin (Integumentary) System

• Protects the body, keeps water inside, and helps
  sense the external environment

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Reproductive System

• Create offspring, determines male and female
  characteristics (Main Components OVARIES and
  TESTES)

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Interactions in TRANSPORTING OXYGEN

• RESPIRATORY delivery of oxygen and removal of
  carbon dioxide.
• Trachea tube connecting to the lungs
• Alveoli round sacs in the lungs
• Moves oxygen from air to blood
• Moves carbon dioxide from blood to air

• CARDIOVASCULAR carries oxygen from lungs to
  bloodstream

• MUSCULAR enables air to enter lungs
• Diaphragm dome shaped muscle

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Interactions in DIGESTING FOOD

• DIGESTIVE breaks down food into simpler
  substances to be used by body cells
• Mouth and Stomach begins to break down food
• Small Intestine Completes the breakdown of food
  and absorbs the nutrients (through villi)
• Large Intestine undigested food passes out of
  the body as waste

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Interactions in DIGESTING FOOD

• MUSCULAR moves jaws to break down food.
• Absorption of nutrients
• Enables you to swallow food
• Within the stomach food is churned and
  squeezed, broken down into smaller particles

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Interactions in DIGESTING FOOD

• CARDIOVASCULAR carries nutrients absorbed
  through the small intestine to the blood.
• Nutrients are carried throughout the body.

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MOVEMENTS MUSCLES, BONES, AND NERVES

• MUSCULAR produce movement by contracting or
  shortening
• SKELETAL muscles attached to bones move your
  body
• NERVOUS involved in movement. Brain and nerves
  direct muscles to contract.
• CARDIOVASCULAR circulates oxygen and food to
  cells
• RESPIRATORY brings oxygen into body, removes
  carbon dioxide
• DIGESTIVE processes food for delivery to cells