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What does acetylcholin do to the heart?
Acetylcholine decreases the heart rate.
What neurotransmitter dercreases heart rate?
acetylcholine~ACh
How does temperature effect frog heart rate?
the cooler the frog the slower the heart rate, the warmer the faster
How does depressants affect the heart rate?
depressants affect the heart rate by its heart rate
Why does the frog heart have lower heart rate than mammalian heart?
Frog's internal body temperature is lower than that of a mammal lower temperature = slower heart rate
Impulses carried to the heart by means of fibers that secrete acetylcholine are what?
parasympathetic impulses and cause the heart rate to decrease
Do rate and amplitude always change together in a frog heart?
Does the amplitude of the heart and heart rate always change together
How much of change in the heart rate of the frog did you see after the addition of calciumm chloride?
It will lower the heart rate.
Which neurotransmitters speed up or slow down the heart rate?
The chemical neurotransmitter, Acetylcholine attaches to what is known as a muscarinic receptor. This brings the body back to "rest and digest", and relaxes it from the "fight or flight" response.
How does laughing affect your heart rate?
It increases your heart rate.
What is the effect of pilocarpine on heart rate?
Pilocarpine stimulates the release of acetylcholine from parasympathetic neurons. Therefore, it stimulates the effect of vagal stimulation on the heart.
How does exercise affect heart rate and pulse rate?
Yes, excercise does affect your heart rate. It makes your heart faster of the oxygen and things.
