The system that is not exactly necessary to keep living.
What is the reproductive system?
100
This causes the male physical changes associated with puberty and, together with FSH, stimulates the development of sperm.
What is testosterone?
100
The primary reproductive organs of the female.
What are ovaries?
100
Diseases that are spread by sexual contact.
What are STDs?
200
The period of rapid growth and sexual maturation during which the reproductive system becomes fully functional.
What is puberty?
200
The primary male reproductive organs.
What are the testes?
200
The process of egg formation and release. This is a regular sequence of events involving the ovaries, the lining of the uterus, and the endocrine system.
What is the menstrual cycle?
200
Hepatitis B, genital herpes, genital warts, and AIDS.
What are some viral STDs?
300
At this amount of weeks male and female embryos start to develop different.
What are 7 weeks?
300
An organic fluid that may contain spermatozoa
What is seminal fluid?
300
The main functions of the female reproductive system.
What is producing egg cells and preparing the female's body to nourish a developing embryo?
300
The most common bacterial STD.
What is Chlamydia?
400
Secreted compounds that alter certain receptive organs.
What are estrogen and testosterone?
400
This is required to power a sperm cell's trip through the female reproductive system.
What is mitochondria?
400
This is when the menstrual cycle ceases for some time.
What is pregnancy?
400
Gonorrhea and syphilis.
What are other types of bacterial STDs?
500
A portion of the brain that contains a number of small nuclei with a variety of functions. (One of the most important functions of the hypothalamus is to link the nervous system to the endocrine system via the pituitary gland)
What is the hypothalamus?
500
This is where sperm develops.
What are the seminiferous tubules?
500
Yellow body.
What is the corpus luteum?
500
This is the major cause of cervical cancer in women.