Biology, 18.03.2020 02:06 girlydiy17
As humans, we have receptors for two kinds of beta adrenergic compounds such as catecholamines. Cardiac muscle cells have beta 1 receptors that promote increased heart rate. Some drugs that slow heart rate are called beta blockers. Smooth muscle cells, however, have beta 2 receptors which mediate smooth muscle contractions. Blockers of these effects are sometimes used to treat asthma.
The description above illustrates what?
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As humans, we have receptors for two kinds of beta adrenergic compounds such as catecholamines. Card...
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