The flap of elastic cartilage that protects food from entering the larynx when swallowing is the _______
a. glottis
b. thyroid cartilage
c. Adam's apple
d. epiglottis
e. trachea
d. epiglottis
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Which of the following is not considered a main part of the tooth?
a. root b. cuspid c. crown d. neck
By the time the fertilized egg reaches the uterus, it is a hollow ball of cells called a:
a. zygote b. morula c. blastocyst d. fetus
Which event requires multiple stimuli?
A) tetanus B) muscle twitch C) both muscle twitch and tetanus
In investigating the microcirculation of the frog foot, you note the following about blood flow: ________
A) blood flow in the arterioles and venules is slow and smooth; it is very slow in the capillaries B) blood flow in the arterioles and venules is rapid and pulsating; it is slow in the capillaries C) blood flows smoothly through arterioles, capillaries, and venules at the same velocity D) blood flow in the arterioles is rapid and pulsating; it is very slow in the capillaries, and slow and smooth in the venules