Answer;
The amnion
Explanation;
-The amnion is a tough, thin membrane that surrounds a developing fetus in mammals, reptiles, and birds. It is the first of the three cavities (amnion, chorion and yolk sac) in the embryo and is formed on 8 dpc.
-In the human body, the amnion is the first of three cavities, including the chorion and yolk sac, that work together to keep the developing fetus nourished and protected.
-The amnion provides a protective environment in which the fetus' temperature is regulated and protects the fetus from friction caused by the mother's movements.
The first step of the energy usage for growth is the breakdown process. In order the animal cells can use the food, the food they eat must be broken down into smaller molecules. Step 2 is the process glycosis which <span>converts each </span>molecule<span> of </span>glucose<span> into two smaller molecules of Acetyl CoA. Step 3 is the complete oxydation of acetyl, CoA to H2O.</span>
Elements of carbon, nitrogen, potassium and phosphorus make up works, but their bodies are made of annuli.
The neurons are connected, with a tiny gap between them called the
synapse, by dendrites. Neurotransmitters are chemical compounds that
carry signals across the synapse.
