★ Basic Structure of the Human Body Quiz
Which is the outer, protective covering of the cell?
A. cell membrane
B. cytoplasm
C. lysosome
D. mitochondria
Select your answer:

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Shoulder › ViewWhich of the following muscles do “ceiling punches?”
A. Serratus anterior
B. Coracobrachialis
C. Levator scapulae
D. Latissimus dorsi
Tissues of The Body › View
Which muscle type is voluntary?
A. cardiac
B. skeletal
C. smooth
D. all are voluntary