When ballet dancers spin in circles they have to be very careful to avoid feeling dizzy due to disruption of their _________.

The integumentary system is NOT associated with ____________.

In the stomach lining, neighboring cells must communicate in order to release chemicals in a coordinated way. It is also important that those chemicals not leak between cells and into surrounding tissues. These cells are MOST LIKELY held together by _________.

The smallest level of organization considered alive is _________.

_______ is a system primarily responsible for protection.

Which of these is NOT an exchange system?

Which of these is NOT one of the four major elements found in the human body?

Which of these will alter the activity of an enzyme?

BONUS: Horizontal shoots that grow along the surface and give rise to new plant shoots are called [BLANK-1].

The maintenance of normal muscle tone and the coordination of multiple muscles is the job of the ___________.