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:
The soda can wear away ur enamel and not brushing them can give discoloration also they can become highly sensitive to hot and cold
Answer: B
Explanation:Homelessness is a serious social problem that affects thousands of poor people living in precarious conditions. In such a scenario, it is difficult for these people not to feel uncomfortable and emotionally weakened. So the softening of these feelings can and should be implemented through psychological support.