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?
Answers: 1
Biology, 21.06.2019 17:40, goaliekid2663
There are six elements that make up most of the human body. which of the following is not one of these six elements?
Answers: 2
Biology, 21.06.2019 23:10, gobbler80
Getting out of bed is the first goal i tackle each day. 2several small goals are achieved by me as the day progresses. 3when i am riding the bus home or walking the dog, i think about the bigger goals i have for my life. which statement correctly describes the verb tense, aspect, and voice in this paragraph? a. sentences 1 and 2 contain present progressive verbs. sentence 3 contains both present progressive and simple present verbs. sentence 2 uses passive voice. b. sentences 1 and 2 contain simple present verbs. sentence 3 contains present progressive verbs. all three sentences use active voice. c. sentences 1 and 2 contain present progressive verbs. sentence 3 contains simple present verbs. all three sentences use active voice. d. sentences 1 and 2 contain simple present verbs. sentence 3 contains both present progressive and simple present verbs. sentence 2 uses passive voice.
Answers: 3
Biology, 22.06.2019 01:00, khalilah2000ortbfy
Suppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer
Answers: 1
As humans, we have receptors for two kinds of beta adrenergic compounds such as catecholamines. Card...
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