Skeletal muscle
A. is made of extremely small cells with one nucleus.
B. has bands of actin and myosin filaments perpendicular to the length of the cell that produce contractions.
C. is not under voluntary control.
D. is found in the walls of the intestines and stomach.
Answer: B
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A. Because they depend on water to reproduce B. Because they are pollinated by fish and aquatic insects C. Because they grow as a mat D. Because they lack a waxy outer layer
The integumentary system is responsible for all
EXCEPT which of the following? a. protection against bacterial attack b. protection against desiccation c. synthesis of a certain vitamin d. blood cell formation e. control of temperature
Which specialized cells receive and respond to stimuli?
A) effectors B) neurotransmitters C) neurons D) nerve impulses
All of the following are correct about triglycerides, except
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