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Charra [1.4K]
2 years ago
13

What is a brain tumer​

Medicine
2 answers:
inn [45]2 years ago
7 0

Answer:

A brain tumour is a growth of cells in the brain that multiplies in an abnormal, uncontrollable way.

erica [24]2 years ago
3 0
A brain tumour is a growth in your brain. It can be non-cancerous or cancerous . The cause of most brain tumours is unknown. Things that increase your chance of getting a tumour include getting older or being exposed to radiation.
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The first signs of tooth development are found in which of the following regions of the developing embryo
zheka24 [161]

You didn't share the answer choices but it's the mandibular anterior.

5 0
2 years ago
Determining the Best Response
Stella [2.4K]

Answer:

B. "If you will excuse me for a moment, I will let the pharmacist answer your questions about this prescription."

Explanation:

I calculated it logically

8 0
2 years ago
Read 2 more answers
Electrical impulses or action potentials (AP) cannot propagate across a synaptic cleft. Instead, neurotransmitters are used to c
Zolol [24]

Answer:

The answer to the question: Electrical impulses or action potentials (AP) cannot propagate across a synaptic cleft. Instead, neurotransmitters are used to communicate at the synapse, and re-restablish the AP in the post-synaptic cell, would be, true.

Explanation:

Essentially, although the CNS, PNS and ANS (Central Nervous System, Peripheral Nervous System and Autonomic Nervous System) are electrical systems, that use the electricity generated through action potentials, that in turn, are created by the exchange of electrically charged ions from within and without the neuronal cells, these electrical impulses do not pass the pre-synaptic, and post-synaptic cleft. Instead, once an AP has reached the terminal end of the pre-synaptic neuron, neurotransmitters are released by this one, into the cleft, which are then taken up by the receptors present in the post-synaptic neuron. Depending on the type of transmitter released, there will be an inhibitory or excitatory effect. Then, with the transmitter attached, the post-synaptic neuron will depolarize and a new AP will be generated in the post-synaptic neuron, which will carry on. Messages, thus are transmitted that way between neurons, and also, between the nervous system and the organs they influence.

5 0
2 years ago
The pulmonary artery carries oxygenated blood.<br> a. True<br> b. False
sp2606 [1]

Answer:

False

Explanation:

They carry deoxygenated blood away from the right side of the heart and into the capillaries of the lungs for the purpose of gas exchange.

I hope this helps, and as always, I am joyous to assist anyone at any time.

8 0
3 years ago
Steroid hormones
kondor19780726 [428]

Answer:

A) bind to receptors in the nucleus of their target cells.

Explanation:

Steroid hormones are synthesized from cholesterol and are lipids, therefore they cannot be transported in the blood dissolved in the plasma. They are associated with transport proteins to travel in blood.

Because they are lipids, they can diffuse through cell membranes, and once inside the target cell they bind to receptors in the cytoplasm or the nucleus and alter gene expression.

7 0
2 years ago
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