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Body Systems
Chp 3 - Unit A
Question | Answer |
---|---|
System that helps break down food | Digestive System |
System that helps you breathe | Respiratory System |
“Transportation System” - moves materials around the body | Circulatory System |
System that helps get rid of wastes produced by the cells. | Excretory or Urinary System |
1. Clean the blood | Job of the kidneys |
2. Regulate level of salt, water, calcium, nutrients and chemicals in the blood. | Job of the kidneys |
Carries blood away from the heart and to the cells. | Artery |
Takes blood from cells back to the heart. | Vein |
First step in the process of digesting food. | Teeth grind up the food. |
Two organs that send chemicals to the small intestine to help digest food. | Pancreas and Liver |
Helps food move into the bloodstream by increasing the surface area inside the small intestine | Villi |
Tube between the larynx and the bronchi | Trachea |
The parts in the lungs where oxygen enters and carbon dioxide leaves the bloodstream. | Alveoli (Air Sacs) |
Keeps blood from flowing backward | Valve |
These push food down the esophagus and into the stomach | Ringed muscles |
Tubes that carry air inside the lungs | Bronchioles |
Part of the blood that transports oxygen to the cells | Red Blood Cells |
Part of the blood that helps stop bleeding if a blood vessels is cut by forming a clot | Platelets |
Part of the blood that helps protect your body from germs and other harmful things. | White Blood Cells |
Sticky thick fluid that traps dust, germs, and other things that may be in the air. | Mucus |
Covers the trachea when you swallow to prevent food from going down the wrong tube. | Epiglottis |
The organ in the digestive system where digested food moves into the bloodstream. | Small Intestine |
Tube that carries air to your lungs | Trachea (wind pipe) |
Tiny hairlike structures on cells in the lining of the trachea that help keep dirt out of your lungs | Cilia |