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velikii [3]
3 years ago
12

Which describes how "Work Smarter, Not Harder" and "The Crow and the Pitcher" present the theme?

Biology
1 answer:
storchak [24]3 years ago
3 0

Answer: the answer is A

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Why is water molecule called polar
7nadin3 [17]

Answer:

Since oxygen has a higher electronegativity than hydrogen, the electrons of the molecule tend to group closer to the oxygen than to the hydrogen atoms. as well as , water is said to be a "polar" molecule, which means that there is an uneven distribution of electron density.

thats what i found sorry if its confusing

3 0
3 years ago
With regard to the process of neural transmission, a refractory period refers to a time interval at which?
dangina [55]

Neurotransmitters. With the regard to the process of the neural transmission, a refractory period refers to the time in interval in which. the Positively charged sodium ions are to pumped back to outside a neural membrane.

Neurotransmitters are the chemical messengers that your body can't function without it. Their job is to carry out chemical signals (“messages”) from one of the neuron (nerve cell) to the next target cell. The next target of the cell can be another nerve cell, a muscle cell or the gland.

Fortunately, the seven “small molecule” are neurotransmitters (acetylcholine, dopamine, the gamma-aminobutyric acid (GABA), or glutamate, histamine, norepinephrine, and the serotonin) do the majority of the work.

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6 0
2 years ago
Which hormone does the sympathetic nervous system release to increase heart rate.
sertanlavr [38]

The sympathetic nervous system releases hormones known as catecholamines which increase the heart rate.

<h3>What is a heart rate? </h3>

it is the number of contractions of the heart per minute.

<h3>What are catecholamines?</h3>

These are the neurotransmitters that have a catechol and a side chain that is an amine.

<h3>Which catecholamines are released by the sympathetic nervous system?</h3>

Epinephrine and norepinephrine are the catecholamines that are released by the sympathetic nervous system to increase the heart rate.

<h3>Where are these hormones released?</h3>

These hormones are released in the blood.

<h3>How does this hormone increase the heart rate?</h3>
  • "These hormones are released at the neuromuscular junction of the cardiac nerves."
  • "They shorten the repolarization period."
  • This speeds up the rate of depolarization and contraction and thus the heart rate is increased.

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8 0
2 years ago
Read 2 more answers
13. This diagram shows which cellular process?
Andrei [34K]

Answer:

B

Explanation:

6 0
2 years ago
May someone help me please
Travka [436]
The answer is molecules
6 0
3 years ago
Read 2 more answers
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