Grade 5 - Parts of Reproductive System Flashcards
Is it true that a human being is formed by the union of the sperm and the egg?
True
Do both male and female bodies have gonads or sex organs?
Yes
What is the specific name for the male gonads?
Testes
They produce sperm cells and male sex hormones.
Testes
Singular form of Testes
testis
What is the term for the female gonads?
ovaries
What is the function of the female gonads?
They produce the egg cells and the female sex hormones.
The principal male sex hormone is __________, which regulates the production of sex cells and the development of male characteristics.
testosterone
The ovaries produce two hormones, _______ and _______, which regulate the release of the egg cells and the development of female traits.
estrogen
progesterone
The _____ are two oval-shaped organs that produce sperm cells.
testes
The testes are located in a protective sac called _____
scrotum
Is the loose pouchlike sac behind the penis. It keeps the testes a few degrees cooler than the rest of the body. This is important because sperm cells cannot survive high temperature.
scrotum
The mature sperm cells, which are the smallest cells in the human body, are produced in tiny called tubules, known as the _____________ within the testis.
seminiferous tubules
Is it true that that total length of this seminiferous tubules is more than 450 meters?
True
Before the sperm cells leave the testis, they are temporarily stored in the ________.
epididymis
When the sperm cells leave the tubes in each testis, they enter a larger tube called the ________.
sperm duct or vas deferens
The sperm cells pass from the sperm ducts through the ______.
urethra.
The fluids and the sperm cells form a thick, milky liquid called _____.
semen.