1. The brain is to the heart.
A. anterior
B. inferior
C. posterior
D. superior
4. Red blood cells are produced in the
A. periosteum
B. ligaments
C. red bone marrow
D. yellow bone marrow
2. Bone and blood are tissues.
A. connective
B. nerve
C. muscle
D. epithelial
5. (True or False) Arthritis is the inflammation of a join
A. True
B. False
3. The pigment that is responsible for much of the color of human skin is
A. melanin
B. periosteum
C. keratin
D. chlorophyll
6. The elbow is an example of a _______ joint.
A. gliding
B. ball-and-socket
C. pivot
D. hinge
