Which structures form the spindle fibers during cell division and guide the duplicated chromosomes to their daughter cells?
a. nucleoli
b. mitochondria
c. centrioles
d. lysosomes
c
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What are the three main components of the circulatory system?
a. heart, arteries, and veins b. heart, blood, and lymph c. heart, blood vessels, and blood d. heart, blood vessels, and lungs e. smooth muscle, blood, and blood vessels
With increasing age,
A) the number of functional nephrons increases. B) the sensitivity to ADH and aldosterone increases. C) the total body water content increases. D) instances of kidney problems increase. E) the body mineral content increases due to the deterioration of bone.
The axons that release norepinephrine are called _________
Fill in the blank with correct word.
What injury can occur when the neck undergoes sudden acceleration and deceleration (such as in a car accident)?
A. herniated disc B. whiplash C. spondylolisthesis D. spondylolysis