The depolarization of the pacemaker action potential spreads to adjacent cells through
A) desmosomes.
B) chemical synapses.
C) gap junctions.
D) tight junctions.
C) gap junctions.
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Spermiogenesis is the last stage of meiosis.
Answer the following statement true (T) or false (F)
What is the first process of urine formation?
A. Tubular reabsorption B. Micturition C. Tubular secretion D. Glomerular filtration E. Active transport
Aldosterone regulates:
A) blood glucose levels. B) extracellular sodium and potassium ion levels. C) blood calcium ion levels. D) blood iodide ion levels.
Select the correct statement regarding the cells of connective tissue.
A) Connective tissue does not contain cells. B) Connective tissue cells are nondividing. C) Chondroblasts are the main cell type of connective tissue proper. D) "Blast" cells are undifferentiated, actively dividing cells.