The nail proper is composed of the
A. stratum corneum.
B. stratum lucidum.
C. stratum germinativum.
D. stratum spinosum.
E. All of these choices are correct.
A
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Human cells have 23 pairs of sex chromosomes
Indicate whether the statement is true or false
Which of the following is NOT a function of the kidneys?
A) afferent arteriole, glomerulus, efferent arteriole B) maintenance of acid-base balance of the blood C) maintenance of plasma osmolarity D) maintenance of electrolyte balance in the body
Which mature cells do not have a nucleus?
A. Columnar cells of small intestines B. Columnar cells of upper respiratory tract C. Sperm cells D. Red blood cells E. Macrophages (large, mobile white blood cells)
The inner cell mass of the blastocyst will
A) form the placenta. B) form the morula. C) form the embryo. D) form blood vessels of the placenta. E) provide nutrients for early growth.