8th Grade Science

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8th Grade Science

• Unit 4
• Interdependence Among the Systems of the human
  Body
• Lesson 1
• Interactions Among Systems
• Vocabulary of instruction

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1. Interaction

• To act or help on each other within a group of
  similar things or objects.

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2. Interdependence

• To be mutually dependent on each other, be
  mutually reliant.

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3. Organ

• Is a group of tissues that perform a specific
  function or functions (stomach, liver, large
  intestine).

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4. Organ system

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

Skeletal System
Muscular System
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5. System

• A group of parts or objects that work together as
  a unit.
• Two or more objects that work together in a
  meaningful way (a car with all its parts).

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6. Tissue

• A group of similar cells that perform the same
  specific function.

Dense Irregular Connective Tissue
Nervous Tissue
Adipose Tissue
Loose Connective Tissue