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enyata [817]
3 years ago
8

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win 50 dollars worth of RBX money
Biology
2 answers:
Assoli18 [71]3 years ago
7 0

Answer:

yes

Explanation:

Snezhnost [94]3 years ago
4 0

Answer:

um no....?

Explanation:

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When the body senses a state of hypoperfusion, the sympathetic nervous system releases epinephrine, the effects of which?
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Heart rate is controlled by the two branches of the autonomic (involuntary) nervous system. The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS). The sympathetic nervous system (SNS) releases the hormones (catecholamines - epinephrine and norepinephrine) to accelerate the heart rate. The parasympathetic nervous system (PNS) releases the hormone acetylcholine to slow the heart rate. Such factors as stress, caffeine, and excitement may temporarily accelerate your heart rate, while meditating or taking slow, deep breaths may help to slow your heart rate.
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11. The following graph shows the results of an experiment done by four different
Neko [114]
The answer is A I think
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Explain how oxygen and carbon dioxide move with breathing.
zmey [24]

Answer:

Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.

please mark me as a brainiest and follow me

4 0
2 years ago
Is water polar or nonpolar​
statuscvo [17]

Answer:

Polar

Explanation:

A water molecule, because of its shape, is a polar molecule. That is, it has one side that is positively charged and one side that is negatively charged. The molecule is made up of two hydrogen atoms and one oxygen atom. The bonds between the atoms are called covalent bonds, because the atoms share electrons. The hydrogen atoms have one electron each.

6 0
3 years ago
Read 2 more answers
"In order to reconstruct the diet of Neandertals, scientists have analyzed the stable isotopes of nitrogen and carbon in Neander
Virty [35]

Answer:

Big mammals as bears or Mammoths.

Explanation:

Neanderthal had a diet based in different food, for example, there are some evidence that they were feed on nuts, mushroom, and moss. The quantity of veggies were different depending the season and the region of the planet the neanderthals were.  Of course, most of their diet were based in meat, basically  of big animals because the evidence is that they had a digestive system appropriate to eat lean protein.

Studies of the bones and the coprolites showed a ratio of different elements as nitrogen and carbon, the ratio of the heavier element to the lighter, show the relationship among the meat/vegetable diet.

Hope this info is useful.

7 0
3 years ago
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