Chapter 3 Study Guide (Human Body)
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31 terms
Terms | Definitions |
|---|---|
What is the job of the circulatory system? | moves blood and material through heart and body |
What is plasma? | straw colored liquidlargest part of blood |
What is the job of a red blood cell? | carries oxygen to other parts of the body |
What is the job of a white blood cell? | fights germs |
What is the job of a platelet? | forms blood clots |
What is an artery? | vessel that carries blood AWAY from heart |
What is a capillary? | smallest blood vessel |
What is a vein? | vessel that carries blood TO heart |
What does a valve do? | acts like a door |
Where is an atrium in the heart? | upper part of the heart |
Where is a ventricle int the heart? | lower part of the heart |
What is mucus? | sticky fluid that traps dirt/germs |
What does your trachea do? | carries air from larynx to lungs |
What are bronchioles? | small tubes that branch out from the bronchi in the lungs |
What is another name for air sacs? | alveoli |
Describe the larnyx | vocal chords are stretched across it |
What are cilia? | tiny hair-like structures that sweep away dirt in the respiratory system |
Describe the diaphragm | dome-shaped muscle at bottom of chest |
What gas does an organism need for its cells to get energy? | oxygen |
List four diseases of the respiratory system | cold, flu, pneumonia, lung cancer |
What is the esophagus? | tube of muscles in throat that help in swallowing |
What does your epiglottis do? | covers your trachea |
What do your salivary glands do? | make saliva that helps to begin digestion |
What does your tongue do? | pushes down food and tastes it |
What role does the stomach play in digestion? | produces fluids that help digest food |
What are villi? | tiny finger-shaped structures that increase surface area in small intestines |
Describe the small intestine | receives food from stomach; connects stomach to large intestine, has villi, digests most food |
Describe the large intestine | digests what small intestine doesn't; takes water and salt from the remaining undigested food |
What do the kidneys do? | clean the blood; control level of salt, water, calcium, nutrients, and other chemicals in the blood |
What does the urinary bladder do? | stores urine until it leaves the body |
Name two waste products removed from your body? | urine, sweat, CO2, carbon dioxide |
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