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.
I think it's true hope I helped:)
what are the options though....
A pancreatic cell engaged in the production of digestive enzymes
should be the answer ur looking for
I believe the answer is B. Carbon is NOT a macronutrient since <span>Nutrients are classified as macronutrients and micronutrients. </span>
Answer: <u>Capillaries
</u>
Explanation: There are two kinds of vessels which carry the blood throughout the body. These are veins and arteries. Now apart from these two, there is a third type which is called as capillaries, which are the connecting vessels between arteries and veins. These are relatively thinner and allow exchange of gases between tissues and the blood. Therefore, arteries and veins are incorrect options.
Heart is the pumping organ, and its function is to pump the blood to every cell of the body, so this can't be correct option.
