Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

The Human Life Cycle

The Human Life Cycle Review

A sperm cell moves due to the motion of its ___________. TAIL
The joining of one sperm cell and one egg cell is called ______________. FERTILIZATION
A _______________ is a fertilized egg that travels down the oviduct and enters the uterus. ZYGOTE
During _____________, a mature egg leaves an ovary and travels into the oviduct. OVULATION
The _________ is a developing baby. FETUS
The _____________ is a thick, ropelike structure that carries nourishment from the placenta to the embryo. UMBILICAL CORD
The ___________ is an organ that has blood vessels that connect mother and baby and sends nourishment to the embryo and gets rid of wastes. PLACENTA
An _____________ is a developing human for the first eight weeks. EMBRYO
A bag filled with fluid to help keep the developing baby from getting hurt is known as the _______________. AMNIOTIC SAC
Fertilization occurs in the ___________ of a female. OVIDUCT
Created by: 609406659