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eduard
2 years ago
8

What is heart in the human body​

Biology
1 answer:
damaskus [11]2 years ago
3 0

Answer:

what is heart in human body?

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Why is salt not allowed to pass through the cell membrane?
xxTIMURxx [149]
Salt molecules are much smaller than starch molecules and can pass through more easily. ... Thus, they are quite large molecules in contrast to the relatively small salt molecules. The smaller salt molecules pass through the membrane easily, but the larger starch molecules cannot pass through the membrane.
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3 years ago
100 points Please Explain why you think so
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Answer: b, increased size of grey areas.

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Bikers racing in the tour de France must fuel their bodies each night to prepare for the next days race over the next 3 weeks. I
Bond [772]

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Generally athletes need CHO load to provide enough extra  glycogen  storage for the muscles.So that when these  immediate glycogen is used up the storage can be used. this is called carbohydrate loads.

Therefore this cyclist needs to take load of pasta-spaghetti to supply enough CHO load as glycogen each night to replace the lost CHO and high protein- meatball,for recovery.

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3 years ago
Which of the following cells engulf antigens by phagocytosis and present fragments of them on their own surfaces for recognition
Colt1911 [192]

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C) Dendritic cells.

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4 years ago
Help pls!! I need it right now <br> 1-4
Bingel [31]

its been a while since I've done punnett squares, but I'm pretty sure these are right:

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6 0
3 years ago
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