Answer:
<em>The</em><em> </em><em>pulsation</em><em> </em><em>of</em><em> </em><em>heart </em><em>is</em><em> </em><em>called </em><em>heartbeat</em><em>.</em>
Answer:
I am not sure if this is what you are looking for, but possibly enzymes.
Specialized enzymes and chemicals are the body’s final defense against pathogens.
Answer:
I believe thw answer would be that the fetus gets nutrients from the food the mother eats