1.
The ___ system consists of the skin and its appendages.
A. 
B. 
C. 
D. 
2.
Hairlike processes that project from epithelial cells are called ___.
A. 
B. 
C. 
D. 
3.
A(n) ___ is a grouping of similar cells that together perform specialized functions.
A. 
B. 
C. 
D. 
4.
The most widespread and abundant tissue in the human body is ___.
A. 
B. 
C. 
D. 
5.
The nucleus is responsible for a cell’s ___.
A. 
B. 
C. 
D. 
All of the answer choices are correct
6.
Stem cells can ___.
A. 
Give rise to specialized cell types
B. 
C. 
Divide and renew themselves
D. 
All of the answer choices are correct
7.
Three types of muscle tissue are ___.
A. 
Striated, cardiac, and involuntary
B. 
Smooth, voluntary, and striated
C. 
Voluntary, striated, and cardiac
D. 
All of the answer choices are correct
8.
The functions of ___ are protection, absorption, secretion, and excretion.
A. 
B. 
C. 
D. 
9.
This structure is the site of protein synthesis.
A. 
B. 
C. 
D. 
10.
Which organ system is responsible for elimination of wastes and maintaining homeostasis, including electrolyte, water, and acid/base balance?
A. 
B. 
C. 
D. 
11.
This system stimulates the immune response, protects the body, and transports proteins and fluids. Which organ system’s primary function is to transport antibodies and cells that act to protect the body from foreign substances?
A. 
B. 
C. 
D. 
12.
Which organ system’s main function is to transport oxygen, carbon dioxide, deliver nutrients and hormones, and remove waste products?
A. 
B. 
C. 
D. 
13.
Which organ system is responsible for providing the body with oxygen for use by individual tissue cells and removes their gaseous waste product, carbon dioxide?
A. 
B. 
C. 
D. 
14.
Which system contains the glands that produce hormones, which are chemical messengers that provide for communication and control over various parts of the body?
A. 
B. 
C. 
D. 
15.
Which system transmits impulses, responds to change, is responsible for communication, and exercises control over all parts of the body?
A. 
B. 
C. 
D. 
16.
Which system produces gender characteristics and must function properly in order to pass genetic information to offspring?
A. 
B. 
C. 
D. 
17.
Which system provides a protective barrier, regulates temperature, and is crucial for sensory reception?
A. 
B. 
C. 
D. 
18.
Which system provides the framework for the human body, including shape, support, protection, and mineral storage?
A. 
B. 
C. 
D. 
19.
Which system provides the structure for the human body by producing movement, maintaining posture, and producing heat?
A. 
B. 
C. 
D. 
20.
This structure is found in human sperm cells in order to provide motility.
A. 
B. 
C. 
D.