When an embryo implants in the wall of the fallopian tube, it is called
A. placenta previa.
B. endometriosis.
C. erythroblastosis fetalis.
D. stillbirth.
E. ectopic pregnancy.
Answer: E
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The two principal types of cells found in nervous tissues are
a) neuroglial cells and neurons. b) neurons and mast cells. c) neurons and dendritic cells. d) neuroglial cells and myofibers. e) neurons and somites.
Rigor mortis occurs because ________
A) no ATP is available to release attached actin and myosin molecules B) proteins are beginning to break down, thus preventing a flow of calcium ions C) the cells are dead D) sodium ions leak into the muscle causing continued contractions
What is the muscular organ that temporarily stores urine?
A) ureter B) kidney C) bladder D) None of the listed responses is correct.
The largest organ in the body is the ____
a. heart b. stomach c. pancreas d. liver