Secretion of human chorionic gonadotropin [HCG] only occur during pregnancy in the placenta. The concentration of this hormone increase rapidly during the first three months of pregnancy; the amount in the blood stream doubles every two to three days as the development of the placenta and embryo progress. The hormone reaches its maximum concentration peak around the sixth week of pregnancy and after this, its concentration decline.
Answer:
Stimulating the brain can enable the benefits of
Explanation:
Answer: B and C
Explanation:
Just had this question on edge nuity and I got it right !
Answer:
Sorry if I get it wrong but I think
A: Nucleus
B: Cytoplasm
C:Ribosomes
D:DNA
E:Cell membrain
Explanation:
Answer:
A. to remove waste
Explanation:
The purpose of reproduction is to create offspring. Offspring will naturally carry the characteristics of the parents. When offspring are born they create the next generation and keep a species alive. The excretory system removes waste.
