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3 years ago

Glia that provide myelin for neurons in the brain are called ________.

Biology

1 answer:

kati45 [8]3 years ago

4 0

Answer:

oligodendrocytes

Explanation:

Glial cells are part of the nervous system. These are helper cells that support the function of the central nervous system (CNS) and can be called oligodendrocytes when they supply myelin to neurons. These cells are responsible for producing the myelin sheath have the function of electrical insulator for CNS neurons. They have extensions that wrap around the axons, producing the myelin sheath.

It is estimated that there are 10 glia cells in the CNS for each neuron, but because of their small size, they occupy half the volume of nervous tissue. They differ in form and function and they are: oligodendrocytes, astrocytes, Schwann cells, ependymal cells, and microglia.

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A preganglionic sympathetic fiber traveling to the abdomen would synapse in which structures?

juin [17]

Answer:

Answered below.

Explanation:

The nerve fibres of the autonomic nervous system that connects the ganglia to the the central nervous system are called preganglionic fibres. They are divided into sympathetic preganglionic fibres and parasympathetic preganglionic fibres and both have acetylcholine as their neurotransmitter.

The sympathetic preganglionic is shorter compared to the parasympathetic preganglionic fibres. They originate from the hypothalamus and brainstem and project to the ganglia non the spinal cord. A ganglion is a cluster of nerves outside the central nervous system.

The preganglionic sympathetic fibres originating from T1-T2 innervate the cervical ganglion which innervates the muscles of the pupils (dilators).

The postganglionic fibres originating from the preganglionic fibres of T11-L3 passes through splenic, celiac and mesenteric ganglia to innervate the kidneys and renal vessels.

3 0

3 years ago

Many animals travel in packs or herds to increase chance of survival. This type of adaptation would be classified as a... 1) str

Lemur [1.5K]

Many animals travel in packs or herds to increase chance of survival. This type of adaptation would be classified as behavioral

7 0

3 years ago

Many scientists are worried about some of

NikAS [45]

I think the answer is (4) using large amounts of some materials that cannot be renewed :))
i hope this be helpful
* happy new year *

7 0

3 years ago

How does exercise affect a person's body and homeostasis?

nexus9112 [7]

Answer:

In explanation.

Explanation:

-Exercise effects on the person's body and homeostasis.

Exercise stimulates the sympathetic nervous system and will induce an integrated response from the body; This response works to maintain an appropriate level of homeostasis for the increased demand in physical, metabolic, respiratory, and cardiovascular efforts.

-The Effect of Exercise on Homeostasis

1. Increased Oxygen Consumption.

2. Increased Oxygen Delivery.

3. Increased Body Temperature.

4. Increased Release of Carbon Dioxide.

5. And more.

-More information in this link (if you are looking for homeostasis effects): https://www.livestrong.com/article/369714-how-does-the-body-maintain-homeostasis-in-response-to-exercise/

-More information in this link: https://www.ncbi.nlm.nih.gov/books/NBK482280/

7 0

3 years ago

If you can see an organism without a microscope which of the following do you know is false about the organism ?

Alex Ar [27]

Hello!

Your answers will be those of the following:

It's Made Of Prokaryotic Cells

Sorry!! I don't know if I missed one, but I also skipped 7th Grade science so even if I did miss one, I hope you pass your test!!

6 0

3 years ago

Read 2 more answers