How do you get bladder cancer

Smoking and tobacco use, also can be from a job using lots of chemicals or past radiation exposure  

Explanation:

the answer will be a) proteins i believe

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 : )