Which of the following is a factor that affects the velocity and duration of muscle contraction?
A) number of muscle fibers stimulated
B) size of the muscle fibers stimulated
C) load on the fiber
D) muscle length
C) load on the fiber
Anatomy & Physiology
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Which labeled structure in the figure is precapillary sphincter?
a) A b) B c) C d) D e) E
Anatomy & Physiology
The H-shaped mass in the center of the spinal cord is mostly
A) axons. B) white matter. C) gray matter. D) black matter. E) None of the answers are correct.
Anatomy & Physiology
Blood helps regulate the pH and the temperature of the body.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
During amphimixis,
A) sperm become capacitated. B) the zygote is formed with 46 chromosomes. C) the male and female pronuclei fuse. D) meiosis occurs. E) gametes are formed.
Anatomy & Physiology