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15 Cards in this Set
- Front
- Back
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how does the movment of water relate to a pressure gradient?
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fluids and molecules move down pressure gradients
movemtn of water in in part a responses to pressure |
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how do you calculate partial pressure
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partial pressure of oxygen=total air pressure X flaction made of air made up by oxygen
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the linkages and roles for the respitory and circlitory system n the process
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1 ventalation (enviroemtn) 2. gas exchange 3. circulation (blood) 4. cellular respiration (mitochondia)
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5. Ficke’s law: rate of diffusion = diffusion constant x area x ((P2 – P1)/ thickness of barrier). Use this formula to explain different strategies animals use to exchange gases with the environment
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rate of diffusion=K (constant) x A(surface area) x (p2-p1 (pressure difference)/ D (thickness))
rate of diffusion is faster is D is low and the higher the difference of P animals use exerernal and interenal gilld and traceas, and lungs with capillaries |
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what is the bronchi
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bronchi- any major air passages of the lunch that come from windpipe
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what is the lung?
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lung-The lungs are a pair of breathing organs located with the chest which remove carbon dioxide from and bring oxygen to the blood. There is a right and left lung.
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what is the bronchioles?
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The tiny branches of air tubes within the lungs which are the continuation of bronchi and connect to the alveoli (air sacs).
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what is the alveoli?
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any of the 150 million tiny air sacs in the lung where exchange of oxygen and carbon take place.
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what is a vein?
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carrying oxygen poor blood
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what is an artery
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carring oxygen rich blood
artery = away from the heart |
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explain closed circulitory system
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blood never leaves blood vesicals
blood travels though closed blood vissles travels though closed lymoh vessles single heart |
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explain open circulitory system
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The open circulatory system is common to molluscs and arthropods. Open circulatory systems (evolved in crustaceans, insects, mollusks and other invertebrates) pump blood into a hemocoel with the blood diffusing back to the circulatory system between cells. Blood is pumped by a heart into the body cavities, where tissues are surrounded by the blood.
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What substances are found in blood?
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plasma portion
red blood cells-hemoglobin white blood cells- immune platles |
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What characteristics make red blood cells unique?
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larger/ carries oxygen/ do not have nuclues/ life span of 120 days/ reabsorbed by liver
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10. Know the names of the major vessels of the heart and their function. Trace the flow of blood and note if the blood is highly oxygenated or has poorly oxygenated blood.
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Four main blood vessels enter/exit the heart: two veins and two arteries. Oxygenated blood enters the left ventricle through the pulmonary vein. This same blood is then pumped out of the left atrium via the aorta. Meanwhile, de-oxygenated blood enters the heart in the vena cava; before leaving through the pulmonary artery.
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