In DNA, adenine pairs with uracil.

The __________ is the tube down which food flows to the stom…

Which of the following have no nucleus?

The long fiber part of a neuron is called a(n) __________.

The eustachian tube:

“Fight or flight” refers to the __________ division of the a…

Sudoriferous glands have secretions that reduce body tempera…

Match the following terms below.

Deciduous teeth are:

Sperm are produced in the __________.