Exam 20: Animal Tissues and Organs

A ____ will cause the skeletal muscles to contract rapidly to produce the shivering response.

Cells of ____ tissue do not attach to one another but rather are surrounded by an extracellular matrix that they secreted.

Only ____ can be voluntarily controlled.

____ epithelial tissue is several cell layers thick.

A/the ____ detects a stimulus and sends this information to the nervous system.

____ in the skin protects us from harmful ultraviolet light energy.

Sensory information is acted upon by the ____, which send(s) signals to muscles and glands to elicit a response.

A(n) ____ causes the blood vessels of the skin to relax and increase in diameter.

A(n) ____ mechanism controls body temperature in the human body by reversing the body's attempt to generate heat when body temperature rises.

Vertebrate lungs originally evolved from ____.

When pH levels in the blood get too low, chemical buffers are released that return blood pH back to normal levels. This is an example of ___.

An organ is defined as ____.

Because they are capable of regenerating a complete body from an arm and a piece of the central disk, sea stars must contain many ____.

In the given figure, ____ is responsible for producing cells needed to defend the body.