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16 Cards in this Set
- Front
- Back
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Functions of respiratory system |
Sustain cellular respiration and removing carbon dioxide from waste in cells |
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Breathing is.... |
Mechanical movement of air into and out of your lungs. |
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External vs internal respiration |
External- exchange of gases between atmosphere and blood Internal- exchange if gases between blood and body cells |
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What is cilia? |
Hairlike structures that trap foreign particles from the air and sweep them toward your throat so they don’t enter the lungs |
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Epiglottis and function? |
Is a flap of tissue that covers the opening to the larynx, which prevents food particles from entering the respiratory tubes. |
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Function of the circulatory system? |
Transports important substances like oxygen and nutrients |
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Arteries? |
Strong thick vessels that are elastic and durable. Capable of high pressures from blood as it is pumped by the heart |
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Veins? |
Carry oxygen and poor blood back to the heart. |
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Capillaries? |
Microscopic blood vessels where the exchange of important substances and waste occurs |
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Function of atria? |
Fills with blood then contracts to pump blood out of the heart and into the body |
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Function of ventricles? |
Contact to pump blood out of the heart into the lungs and into your body |
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Plasma function? |
Carries the breakdown products of digested food |
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Function of red blood cells? |
Carries oxygen to the body’s cells |
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Function of platelets? |
They help clot blood |
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Function of white blood cells? |
Recognize disease organisms and alert the body. Produce chemicals to fight invaders |
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Pacemaker? |
Group of cells found in the right atrium that sends out signals that fell the heart to contract. Regular rhythm |
