A teratogen is any substance or agent that interferes with the normal development of a fetus in the womb. Examples include drugs (prescription and nonprescription), pollutants, maternal malnutrition, infectious diseases, etc.
Factors that influence a teratogen: The dose or amount of the substance to which the fetus is exposed, the length of time that the fetus is exposed, and the genetic vulnerability of the individual fetus.
There are differences between having a sprained muscle in the ribs, or a broken rib. A broken rib tends to be more painful, may or may not protrude and can cause extreme swelling and bruising. A muscle strain will have bruising, swelling and pain but it will not protrude and will be less severe.
The main organ is the heart
Answer:
C) agitation irritability or restlessness
Explanation:
