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ivanzaharov [21]
2 years ago
8

My main organs are the heart and blood vessels. What am I?

Biology
1 answer:
Oksi-84 [34.3K]2 years ago
3 0

Answer:

cardiovascular system

Explanation:

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I need help, please. Explain the translation to real life of a ice melted by salt
katen-ka-za [31]

Answer:

When the salt is added to the ice, the point of water freezing is lower, and the ice is melting.

Explanation:

The phenomenon of the salt melting the ice is called the depression of icing. The point is when we add the salt to the ice, the salt breaks water bounding molecules. This way salt is going to melt into ions and those ions are melting the ice.

In the real life, salt is also very useful, not only in chemistry. That is why people are putting salt on frozen roads, for example.

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3 years ago
What is the first step in triggering a change in membrane potential?
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Answer:

The membrane potential is maintained in the cell due to the unequal distribution of the ions inside and outside of the cell. This membrane potential is important for the conduction of the nerve impulse.

The arrival of the stimulus triggers the action potential. The resting membrane potential is -70mV. This is maintained by the presence of potassium ions. The influx of the sodium ions result in the change in the membrane potential from -70mV to +30mV.

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2 years ago
What is the area of calm winds near the equator called?
Anestetic [448]
I think its called the <span>doldrums. I had a friend who lived in Africa on the equator and i remember her mentioning this (this was also in 2007, so dont quote me here lol)

</span>
4 0
3 years ago
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Florence is dead, but frank flu has found a way into your body through a tiny cut on your hand. which non-specific chemical and
JulijaS [17]
<span>Now that franks in my body, my non-specific immune responses will automatically target him. once my white blood cells notice him they'll begin their counterattack. the basophils in my bloodstream will release a chemical substance called histamine. Histamines cause inflammation and increased blood flow. This brings neutrophils and monocytes to the site. Neutrophils are attracted by inflammation and infection. Like basophils, they, too, contain granules filled with powerful chemicals that are released when they encounter foreign invaders. They can also gobble up these antigens and kill them before they enter the bloodstream.</span>
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3 years ago
WILL GIVE BRAINLIEST, 50 POINTS!!!
statuscvo [17]

Answer:

B

Explanation:

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