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ASHA 777 [7]
3 years ago
11

What is the major function of valves in human veins

Biology
1 answer:
Olenka [21]3 years ago
3 0
To prevent blood flowing back after each heartbeat. They ensure that the blood flows only in one direction (back to the heart).         
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Explain the process in which hormones secreted by the pancreas function with respect to increased glucose levels in the blood
KiRa [710]

Answer:

Gastrin: This hormone aids digestion by stimulating certain cells in the stomach to produce acid. Glucagon: Glucagon helps insulin maintain normal blood glucose by working in the opposite way of insulin. It stimulates your cells to release glucose, and this raises your blood glucose levels.

Explanation:

6 0
3 years ago
What organ works to keep you blood plasma isotonic, so that your blood cells do not shrivel up or explode?
Sunny_sXe [5.5K]

Answer:

Kidneys

Explanation:

3 0
3 years ago
What is interferometry, and how does it affect the images that are produced?
Anastasy [175]
"The advantage of interferometry for optical astronomers is that it can provide measurements of stars with a higher angular resolution than is possible with conventional telescopes. ... An optical interferometer does not produce direct images of stars and typically has only a rudimentary ability to make images.
6 0
3 years ago
Tyrahn’s rods do not transform light into nerve impulses as easily and efficiently as they should, so he has difficulty seeing i
strojnjashka [21]

Answer:

This is called Night blindness.

Explanation:

It is also known as nyctalopia and is a vision impairment. this happens when the rods in the eyes do not transform light into the nerve impulses efficiently and easily than normal. As a result you will be having hard time seeing in dark places where there is only minimal light.

This is can be caused by cataracts, nearsightedness, usher syndrome or deficiency of vitamin A. These can be cured by certain procedures. To prevent developing this eye problem, it is important to take care of your eyes. you should monitor sugar levels and eat the right foods. foods that are abundant in vitamin A and other antioxidants would in preventing it.

5 0
3 years ago
Cells that support neurons structurally and functionally are called B NEUROGLIA
Alex787 [66]

Answer:

B. neuroglia.

Explanation:

Neuroglia, also called glial cells are cells that support neurons structurally and functionally.

There exists two broad classes of cells in the nervous system which are:

  1. Neurons
  2. Glia

The neurons process information while the glia support the neuron mechanically and metabolically.

In general, there are three main types of cells that make up the nervous system including the above two.

3 0
3 years ago
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