Your Guts

1
Your Guts

• What do they do?

2
The Skeletal System

• Provides a frame to support and protect body
  parts
• Protects organs like your brain
• Marrow in your bones makes blood cells
• Without bones, you couldnt move!

3
The Muscular System

• Works with your skeletal system to help you move
• Often work in pairs
• Bend flexor
• Straighten extensor
• Resistance exercise means more strength
• Aerobic exercise means heart strength and muscle
  endurance

4
The Integumentary System

• Skin, hair, and nails protect other tissues
• Keeps water in, foreign particles out (think
  band-aids)
• Helps with sense of touch
• Regulates temperature

5
The Cardiovascular System

• Distributes blood to other organs
• Made of the heart, blood vessels, and blood
• Blood carries oxygen
• Oxygen poor?lungs
• Oxygen rich from heart?everywhere else

6
The Lymphatic System

• Returns fluids to blood vessels and helps get rid
  of bacteria and viruses
• Takes fluid from between cells?blood
• The spleen and tonsils are parts of the lymphatic
  system

7
The Respiratory System

• Brings in oxygen and releases carbon dioxide
• Breathing involves your lungs, muscles in the rib
  cage, and your diaphragm
• Puts oxygen into your blood takes out carbon
  dioxide from blood and exhales it

8
The Digestive System

• Breaks food down into nutrients your body can use
• Breaking and mashing food is mechanical
• Breaking large food molecules into simpler,
  useable ones is chemical

9
The Urinary System

• Removes waste from your blood and regulates body
  fluids
• We need to get rid of all the water we take in
• Kidneys filter our blood

10
The Nervous System

• Receives and sends electrical signals throughout
  the body
• Central brain and spinal cord
• Peripheral everything else (nerves)
• Regulates thinking, sensing, feeling, movement,
  heart rate, blood pressure, body temperature,
  breathing, balance, etc.

11
The Endocrine System

• Sends out chemical messages that control other
  systems
• Chemical messages are called hormones
• Hormones tell cells and tissue what to do
• Pancreas regulates blood sugar
• Includes adrenal and thyroid glands

12
The Reproductive System

• Female produces eggs, nourishes/protects fetus
• Male provides the sperm for fertilizing the egg