Explanation:
The correct answer here is C
Ileocecal sphincter tone decreases after distention of colon. This sphincter separates ileum and cecum and is under the control of vagus nerve.
Formed when lightning struck water i believe
<span>Less genetic variation than if the organism reproduced sexually. Asexual reproduction is kind of like cloning, the reproductions are copies of the organism.
:))</span>
Answer: D
Explanation:
During embryogenesis, hematopoiesis begins in week 3 in the Yolk Sac, in Pander´s Island or Wolff´s Island, commonly known as the "blood islands". These blood islands develop from the umbilical vesicle, allantois, and chorion. In week 5, blood production starts on the fetal liver, and finally, at week 12 it begins in the bone marrow, spleen and, thymus.
