Blood moves through the heart beginning at the Right atrium through the tricuspid valve to the right ventricle , through the valve to the pulmonary trunk to the then to the capillary beds of the lungs to the to the of the heart through the valve to the through the valve to the to the systemic arteries to the of the tissues to the systemic veins to the entering the right atrium of the heart.

the correct answer is b. possesses the characteristic of compartmentalization of organelles, wherein the organelles are bound by membranes.

explanation:

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.

i hope this : )

find out why you don't need to aim at such a syllable pattern in english. you may have thought that haiku was supposed to be 5-7-5, so what's up with the logo by the gravitational pull of celestial objects, can touch us in unexpected ways.