Which of the following is associated with communication between body cells?
a. connective.
b. epithelial.
c. glandular.
d. muscle.
e. nervous
E
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The two categories of immune defensive mechanisms are ________ and ________.
A. passive immunity; active immunity B. heavy immunity; light immunity C. direct immunity; indirect immunity D. innate (nonspecific) immunity; adaptive (specific) immunity
During the process of implantation, the enzymes released from the ________ enable the blastocysts to penetrate the endometrium.
A. acrosomes of sperm B. uterus C. trophoblast D. placenta
Damage to the muscle called the levator ani would result in
A. difficult urination. B. difficult defecation. C. inability of a male to have an erection. D. decreased support for the pelvic viscera. E. difficult defecation and decreased support for the pelvic viscera.
Hinge joints, such as the tibiofemoral joint, are monoaxial.
Answer the following statement true (T) or false (F)