Answer:
c. inner cell mass
Explanation:
The inner cell mass of the blastocyst forms the embryo while the outer layer, the trophoblast forms the placenta.
Answer:
1. the primary mechanism to maintain homeostasis is negative feedback.
2. When exposed to hot conditions, sweating is one of the primary methods your body uses to control its temperature.
3. Sweat, as it evaporates, helps cool the skin. Blood vessels feeding the skin also dilate, which allows warm blood to flow to the skin surface. This helps remove heat from the body core.
4. Bacteria can also disrupt homeostasis in your body, and can make you sick.
5. In response to infection, your immune system springs into action.
6.
