Answer:
The fetus gets it's nourishment through the umbilical cord that is connected to the mother's uterus
Answer:
Number of protons
Explanation:
Any particular element can always be identified by its number of protons.
Answer:
C) respiratory: Circulatory
Explanation:
Oxygen travels through the blood stream to muscles, and cells
Answer:
three types of stimuli—mechanical, thermal, and chemical; some endings respond primarily to one type of stimulation, whereas other endings can detect all types. Chemical substances produced by the body that excite pain receptors include bradykinin, serotonin, and histamine."
Explanation:
From edge