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stepladder [879]
3 years ago
15

After Theo turned 13, he noticed that his voice deepened and the hair on his arms and legs grew thicker and darker. Both of thes

e physical changes are considered to be typical changes in boys' __________ that occur during puberty.
Health
1 answer:
vfiekz [6]3 years ago
8 0

The physical changes during puberty are due to <u>secondary sex characteristics</u>

Explanation:

Origin: Secondary sex characteristics in male typically originate at the onset and develop during puberty from 9-16 years.

Mechanism: The hypothalamus of the brain initiates the release of follicular stimulating and leutinizing hormones which trigger the Sertoli cells of the testes to begin spermatogenesis and the interstitial cells of Leydig to produce the male sex hormone testosterone.

It is this release of testosterone that leads to the development of secondary sexual characteristics like:

  • Muscular and strong body
  • Deepening of voice
  • Growth of facial, axillary (underarm) and pubic hair
  • Enlargement of reproductive organs like the scrotum, testes, etc; along with penis lengthening
  • Spermatogenesis begins along with feelings of sexual drive during this adolescent period .
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Annette [7]
The older you get the more your brain will develop... Right, but, when your body hits a certiant age that all goes in reverse. This may not be as bad if you live a healthy lifestyle because then your body is ready and open for when that age comes so that memory loss is slower. but if you are not active at all you will cause heart problems, tourmers, etc. witch can develop memory loss faster 

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3 years ago
HIPAA regulations limit the use of pre-existing condition exclusions and guarantee that certain individuals can buy healthcare i
Ugo [173]

The sttaement, "HIPAA regulations limit the use of pre-existing condition exclusions and guarantee that certain individuals can buy healthcare insurance after leaving or losing a job" is True .

<u> Explanation: </u>

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3 years ago
What respiratory structure controls breathing? A. diaphragm B. lungs C. heart D. trachea
seropon [69]
A. Diaphragm I took the test and it said the answer was A
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vredina [299]
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3 years ago
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makkiz [27]

Answer: find out if joe needs healing on the inside to be able to grow on the outside.

Explanation:

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