![subject](/tpl/images/cats/biologiya.png)
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?
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 16:00
Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 20:10
Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 01:30
Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 06:50
Which organelle breaks down sugar molecules that supply energy to the cell ?
Answers: 2
You know the right answer?
As humans, we have receptors for two kinds of beta adrenergic compounds such as catecholamines. Card...
Questions
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 25.01.2020 00:31
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 25.01.2020 00:31