T cells. When HIV arrives in the lymph nodes – around 24 to 48 hours after exposure – they activate other immune cells, such as CD4 t-cells, HIV's primary target.
Answer:
a.Brain
Explanation:
Hypothalamus: The hypothalamus is in the lower central part of the brain. It links the endocrine system and nervous system. Nerve cells in the hypothalamus make chemicals that control the release of hormones secreted from the pituitary gland.
Answer: Tay-Sachs a disease caused by an absence of an enzyme that break down fatty substance causing damaged to nerve cells
Answer:
it will bonce because the vinegar absorbs into the eff and eats away at the hardness its just like water if you have ever boiled an egg the water gets inside a cooks the egg and this can be tested
Explanation:
I'm pretty sure that each level decreases the amount of energy by a factor of 1/10 so for primary consumers there would be 100 units of energy.
