Answer:
he hypothalamus and pituitary gland, which are in the brain, initiate puberty. The hypothalamus secretes luteinizing hormone-releasing hormone, which stimulates the pituitary to secrete luteinizing hormone and follicle-stimulating hormone. Luteinizing hormone causes the testes to produce testosterone. Follicle-stimulating hormone (plus testosterone) causes the testes to produce sperm. Testosterone is responsible for the development of secondary sex characteristics, features that stimulate male development (including characteristics that are not part of the reproductive system, such as facial hair growth and voice change).
Explanation:
Answer:
macrophages in the spleen and liver
Explanation:
Answer: Stereotype threat
<span>A stereotype threat is a social-psychological
predicament that can alters academic identity and intellectual performance. Negative
stereotypes raise inhibiting doubts and high-pressure anxieties in a
test-taker's mind that result to </span>reduce the performance of individuals.
The mind set of Courtney
that boys do better than girls in math and science would create anxiety, which
will then trigger a mechanism of decreases performance by depleting the working
memory of the brain.
