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30 Cards in this Set
- Front
- Back
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sneeze and cough
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way to clean out dust and germs from the respiratory system
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diaphragm
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muscle in your body that makes your lungs fill and empty
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mucus membrane and hairs
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filter air to keep germs and dust from getting into respiratory system. Warms air
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"automatic"
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You don't think about breathing. Controlled by the brain.
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Carbon Dioxide and Oxygen
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Body uses oxygen. Body gets rid of CO2
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Voice Box
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Also known as larynx. Contains 2 vocal chords. Create sounds for speech
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Alveoli
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Tiny sacs at the end of the bronchial tree where oxygen and carbon dioxide are exchanged
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Bronchial Tree
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Connects the windpipe to the alveoli
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Gastric Juices
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pepsin and acid
causes chemical digestion of protein |
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Esophageal Sphincter
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prevents food from reentering the esophogus
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membrane
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Surround cells.....semi-permeable
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diffusion
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Movement of molecules from a greater concentration to a lower concentration. Through air, water and membranes
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passive transport
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no energy needed - "diffusion"
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specialization
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each enzyme can only digest one type of nutrient
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Small intestine (DAN)
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digests, neutralizes, absorbs
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Active transport
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requires cell's energy to let larger nutrients into all.
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Pancreatic Juice
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packed with enzymes: digests carbs, proteins, fat. Neutralizes the acid.
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Gallbladder
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stores bile
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2.5 cm
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diameter of the small intestine
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Pyloric Sphincter
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Between stomach and small intestine (valve at bottom of the stomach.
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bile
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breaks up fat in the small intestine. Made in the liver and stored in the bladder
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Closed System
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No entry or exit. " The circulatory system" William Harvey discovered this - heart, arteries , veins, capillaries and blood
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"HUB"
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"the heart"
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"capillaries"
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smallest vessels carry O2 (oxygen) and nutrients to every cell and take CO2 (carbon dioxide) and H2O (water) away
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ventricles
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The "pumps"
Left Ventricle - pumps to the body Right ventricle - pumps to the lungs Thicker walls than atrium - left side , lots thicker |
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Bigger to Smaller Vessels -
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Away from the heart
( heart to the arteries to the capillaries to the cell) |
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Smaller to bigger vessels
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Back tot he heart.
( cells to the capillaries to the veins to the heart) |
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alveoli
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where blood picks-up O2 and drops off CO2
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4 chambers
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Right and left atrium
Right and lefft ventricle |
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two pumps
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2 ventricles
side by side separated by septum |
