The role(s) of the sinuses include(s)
A) making the skull lighter.
B) production of mucus that moistens and cleans the air.
C) increasing surface area for gas exchange.
D) extra source of air and increasing surface area for gas exchange.
E) making the skull lighter and production of mucus that moistens and cleans the air.
E
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Ligaments are _____.?
A) ?fibrous bands that connect bones to muscles B) ?osteocytes C) ?fibrous bands that connect bones and cartilages D) ?joints
If, after ovulation, the corpus luteum fails to form, which of the following could potentially occur?
A. Maternal twins B. Ectopic pregnancy C. Miscarriage D. Placenta previa
An antibody binds to an antigen at a specific area called the
A) constant segment. B) light chain. C) antigen binding site. D) hapten. E) antigen-antibody complex.
The ion required for coagulation is ________.
A. K+ B. Ca2+ C. Na+ D. Cl-