Which best describes organs in an organ system

Explanation:

An organ is a group of different tissues that work together to do a particular job. Organs are grouped together into organ systems. Examples of organ systems include the circulatory system and the digestive system. The human body is made up of many cells, so it is an example of a multicellular organism.

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 : )