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brilliants [131]
3 years ago
5

Someone plz help with question one. i’ll give brainless

Biology
1 answer:
Scrat [10]3 years ago
8 0
I think it’s A
Hopefully this helps!!
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Do you want a crossword puzzle? Sorry I am a bit confused.

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3 years ago
True or false: both the hormone adrenaline and stimulation by the vagus nerve accelerate the heart rate.
damaskus [11]

The vagus nerve has several functions, including slowing the heart rate. There are several simple vagal maneuvers you can do to trigger the vagus nerve to slow down an accelerating heart rate. This is a condition known as tachycardia.

<h3>Does the vagus nerve control heart rate?</h3>

Parasympathetic control of the heart via the vagus nerve is the primary mechanism that regulates beat-to-beat control of heart rate.

Additionally, the vagus nerve exerts significant effects at the AV node, as well as effects on both atrial and ventricular myocardium.

<h3>What is the function of the vagus nerve?</h3>

The vagus nerve is responsible for the regulation of internal organ functions, such as digestion, heart rate, and respiratory rate, as well as vasomotor activity, and certain reflex actions, such as coughing, sneezing, swallowing, and vomiting.

Learn more about vagus nerve here:

<h3>brainly.com/question/14297015</h3><h3 /><h3>#SPJ4</h3>
8 0
2 years ago
What are mutations????
Tatiana [17]

Hello!

The answer is:

A mutation is a malfunction in the bodies DNA. Mutations are caused by either an error in the DNA stream, or self harming habits, like smoking, can cause mutations.

I hope this helped, and have a blessed day! ♥~

8 0
3 years ago
John and emily were experimenting with the effects of road salt on plant growth. to do this, they watered plants daily with the
mojhsa [17]
They could improve the experiment that they made by adding another variable such as: watering the plants with fresh water. This way they could have a better comparison how plants grow based on the type of water they are exposed with.  
4 0
3 years ago
Why did Darwin’s observations of Galápagos tortoises cause him to wonder how species originate?
sdas [7]
<span>While at the Galapagos islands, he noticed that animals on the different islands differed. For example, the giant tortoises on one island had saddle-shaped shells, while those on another island had dome-shaped shells. People who lived on the islands could even tell the island a turtle came from by its shell. This started Darwin thinking about the origin of the species. He wondered how each island came to have its own type of tortoise. 
Please mark brainliest thank you! c: 

</span>
3 0
4 years ago
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