Which is the first type of connective tissue to form in the embryo and the source of all other adult connective tissues?
A. Umbilical
B. Adipose
C. Mesenchyme
D. Areolar
E. Mucous
Answer: C
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The muscles of the pelvic floor are almost entirely innervated by the pudendal nerve.
Answer the following statement true (T) or false (F)
The contraction of the arrector muscles (pilomotor muscle or arrector pili) in humans causes ________.
A. generation of heat to raise the body temperature B. hairs to stand on end with no apparent function C. hairs to stand on end, trapping an insulating layer of warm air next to the skin D. hairs to stand on end to make the individual appear bigger E. increased ability to feel pain
Blood has been described as an example of a suspension, and soda has been described as a solution. Define these two categories of mixtures and provide different examples of each type
In the examples you provide, explain the molecular properties (approximate size, polarity) of the substances that mix with water.
Place the following parts of a reflex arc in the correct order beginning with the sensory receptor.(1) Motor neuron(2) Interneuron(3) Effector(4) Sensory neuron(5) Sensory receptor
A. 5, 4, 3, 2, 1 B. 5, 1, 2, 3, 4 C. 5, 3, 2, 4, 1 D. 5, 4, 2, 1, 3 E. 5, 2, 3, 4, 1