HELP THIS IS DUE IN 30 minutes (No links or I'll Report) In a healthy person, systolic pressure is always higher than diastolic pressure because systolic pressure measures
A) blood pressure in the artery after the left ventricle contracts.
B) the force with which blood returns to the heart and lungs.
C) the maximum rate at which the heart pumps blood.
D) the pressure in the artery after the left ventricle relaxes.

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the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

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the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem