The first answer because it lets his father know he is worried about him
The answer is:
Age
This is because if your young your organs are not as developed. When your older your body handles more because it is developed fully.
Answer:
Medullary sinuses contain histiocytes (immobile macrophages) and reticular cells. A lymph node contains lymphoid tissue, i.e., a meshwork or fibers called reticulum with white blood cells enmeshed in it. The regions where there are few cells within the meshwork are known as lymph sinus.
Explanation:
Mark Brainliest please
Answer is 3&4
Apply direct pressure on the cut or wound with a clean cloth, tissue, or piece of gauze until bleeding stops
If the wound is on the arm or leg, raise limb above the heart, if possible, to help slow bleeding.
