Enzyme-catalysed reaction that transfers an amino acid to an alpha-keto-acid making an amino acid
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Card 17
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Filtration under high pressure
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Card 18
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Weakened or killed pathogen or a toxin or antigen derived from it which stimulated the immune system to produce an immune response against it without causing an infection
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Card 19
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A person, animal or microbe that carries and transmits an infectious pathogen into another living organism
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Card 20
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Blood and water flow in the same direction, which maintains the concentration gradient for oxygen to diffuse up until the point where concentration in the blood and water are equal
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Card 21
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Covering of a bony fish's gills
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Card 22
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Blood and water flow in opposite directions across the gill lamellae maintaining oxygen concentration gradient across their entire length
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Card 23
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Heartbeat is initiated with the muscle cells themselves and is not dependent on the nervous or hormonal system
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Card 24
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An area of the heart muscle in the right atrium that initiates a wave of electrical excitation across the atria (abbr.)
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Card 25
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Situated in the area between the atria and ventricles, this introduces a delay in the transmission of the electrical impulse, so the atria can complete contraction before the ventricles can contract (abbr.)
