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Anastasy [175]
3 years ago
11

Behind the first whisker in boys and the widening of hips in girls is a flood of _____, powerful chemical substances secreted by

the endocrine glands and carried through the body by the bloodstream.
a. amino acids
b. lipids
c. proteins
d. hormones
Biology
1 answer:
Bond [772]3 years ago
3 0
D. hormones would be the correct answer, which are chemical substances produced by gakbdd
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The alga Powellsia pikocensis is typically a unicellar species. Occasionally it is multicellular; clusters of cells have been fo
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Answer:

The correct answers are statements a and b.

Explanation:

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3 0
4 years ago
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Nadusha1986 [10]

Answer:

xray - allows scientists to see dense structures

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Telescope - stars, planets and black holes

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Xrays shows highlights dense structures within the body (bones). But is not in real time, usually there images that are captured and reviews later.

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Ultrasound - this is what is used to monitor the health of babies when they're still developing. It can be seen in real time.

6 0
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