List the four types of autorhythmic cells that drive the heartbeat. Draw a sketch of the heart and indicate the location of each type of cell.
What will be an ideal response?
The four areas for the autorhythmic cells are SA node, internodal pathway, AV node, and Purkinje Fibers.
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Explain the functions of the three types of folds found in the small intestine, from largest to smallest
What will be an ideal response?
What is the function of the arches of the foot?
A. To bear weight B. To smoothly transfer weight from the heel to the big toe C. To prevent avulsion of the foot D. To prevent eversion E. To prevent pes planus
) Explain why an 80-year-old woman requires a much longer time to recover from the flu than does a woman who is age 30.
What will be an ideal response?
The chorionic villi
A. increase surface area of the amniotic cavity. B. form from branches of the syncytiotrophoblast cords. C. contribute to the formation of the placenta. D. are necessary for implantation to occur. E. are not part of the placental formation.