The early signs of a heart attack occur in 50% of patients that have a heart attack according to the Society of Cardiovascular Patient Care. If the early symptoms are noticed the treatment can be administered to prevent damage to the heart as the most heart damages, 85% occur in the 2 hours following the attack.
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Explanation:
The primary function of estrogens in women is development of female sexual characteristics during puberty. (Breasts, regulation of the menstrual cycle etc.)
In males estrogen helps in maturation of the sperm and maintenance of a healthy libido.
D Because the law of superposition the younger rocks are ontop of the older rocks
Stem cells. Or more specifically, embryonic stem cells.
