Any consequence that follows a behavior and makes a person likely to repeat that behavior is called a(n) “_____.

_____ is the thick, high-calorie fluid that is secreted by a new mother’s breasts in the days immediately following birth.

The ______ is composed of the ethmoid bone and vomer.

Tissue death is called:

Body weight is stable when average daily energy intake and output are equal. 

A cation is positive.

What is the red arrow pointing at?  

Name the specific structure pointed to by the black arrow.

Name the hole in the skull.

What specific structure is the black arrow pointing to?