INB p.25

1
Body Organization

• What are the major tissues found in the body?
• What is the relationship between an organ and an
  organ system?
• What are the organ systems that we will focus on?

INB p.25
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1. Body Organization
Tissues
Work together to make
Organs
Cells work together
Work together to make
Organ Systems
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2. Tissues

• Tissues a group of similar cells that work
  together to form a tissue
• There are four types of tissues
• Epithelial tissue - covers and protects the
  tissues underneath. The cells stick tightly and
  form a continuous sheet.
• -gtsmooth tissues

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2. Tissues

• 2. Nervous tissues - sends electrical signals
  through the body.
• It is found in the brain, nerves, and sense
  organs.

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2. Tissues
3. Muscle tissue - is made of cells that can
contract and relax to produce movement.
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2. Tissues

• 4. Connective tissue - joins, supports, projects,
  insulates, nourishes, and cushion organs.
• Keeps organs from falling apart.

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3. Organ
Organ - two or more tissues working together Ex
heart, liver, lungs, kidney, intestine, stomach
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4. Organ System

• Organ system - two or more organs working
  together
• Ex heart and the veins -gt circulatory system
• Stomach, mouth, pancreas, esophagus, instestine
  -gt digestive system
• Bones -gt skeletal system
• Muscles -gt muscular system

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4. Organ System

• Organ systems that we will focus on are

1. Muscular system
2. Skeletal system
3. Cardiovascular system
4. Digestive system

5. Respiratory system 6. Urinary system 7.
Reproductive system