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STatiana [176]
4 years ago
10

Explain how circulation is affected by space travel

Biology
2 answers:
RideAnS [48]4 years ago
4 0
Because there is no gravity in space circulation should slow down or stop
make all of the blood float towards your head
Neporo4naja [7]4 years ago
3 0
On Earth, we all know gravity affects everything around us. ... There's no gravity to pull blood into the lower part of the body. Instead, blood goes to the chest and head, causing astronauts to have puffy faces and bulging blood vessels in their necks.
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Complete the following sentence.
pishuonlain [190]

Answer:

An stick

Explanation:

because it needs support

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3 years ago
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Select the best definition of metabolism.
Lady_Fox [76]

Answer:

d. Metabolism refers to all of the chemical reactions in a cell that impact energy use and release.

Explanation:

The phrase "all of the chemical reactions" has made it the best definition of metabolism.

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. Arrange the following substances in order of increasing tendency to donate electrons
erma4kov [3.2K]

Answer:

From lowest to highest tendency to donate electrons:

NADP+, Oxygen (O2), α–ketoglutarate, Malate, Oxaloacetate

Explanation:

Electron donors are those molecules that can easily lose an electron and are known as reducing agents.

Lower the electronegativity, better the electron donor it is

Oxygen is an oxidizing agent and hence, a strong electron acceptor and not a donor.

NADP+ state for this coenzyme functions as an ideal electron acceptor rather than an electron donor

5 0
3 years ago
The nurse is teaching the parents of an infant with tonsillitis caused by group a ß-hemolytic streptococci about the importance
kotegsom [21]
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4 years ago
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Name one channel (gated or nongated) through which chloride ions could pass into the cell.
SpyIntel [72]

<u>Passive chloride</u> and <u>GABA</u> are the channels through which chloride ions could pass into the cell.

<h3>What are chloride channels?</h3>

Ion channels are used by cells to regulate many cellular functions, from action potential conduction to water balance, which is sometimes achieved by using a single ion in the setting of different channels types.

Although ion channels are described as transmembrane proteins that have a “pore” which allows for the diffusion of specific ions across a concentration gradient, other channels involved in ion transport include antiporters (exchange), symporters (cotransport in the same direction) and pumps (use energy from hydrolysis of ATP).

Chloride channels are a remarkable example of this since they are involved in the control of transepithelial transport, membrane excitability, and the regulation of cell volume and intracellular and intraorganelle pH.

All of this is achievable by the use of the many different types of chloride channels, of which there are three major families: the voltage-gated chloride channels, the cystic fibrosis transmembrane conductance regulator (CFTR) and related channels, and the ligand-gated channels activated by gamma-aminobutyric acid (GABA) and glycine.

Learn more about ion channels

brainly.com/question/11664972

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6 0
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