Which layer of the epidermis undergoes continual mitosis?
A) Stratum granulosum
B) Stratum basale
C) Stratum spinosum
D) Stratum lucidum
Answer: B
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The left ventricle has a thicker wall than the right ventricle because the left ventricle has to pump blood against a higher pressure.
Answer the following statement true (T) or false (F)
Pressure from the cardiovascular system forces some ________, made of proteins and fluids, out of the cardiovascular capillaries and into the ________ space, or the space between cells.
A. pathogens; thoracic B. antibodies; pleural C. antigens, capillary D. plasma; interstitial
Which of these is not considered connective tissue?
A) cartilage B) adipose C) muscle D) blood
Which of these ions have ligand-gated channels in the plasma membrane of nerve and muscle cells?
A) Cl- ions B) K+ ions C) Na+ ions D) Ca2+ ions E) all of these