The neurotransmitter between muscle cells and the nervous system cells is _____.?
A) ?epinephrine
B) ?acetylcholine
C) ?norepinephrine
B
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Which of the following tissues has a matrix arranged in concentric circles around a central canal that has blood vessels running through it?
A. Hyaline cartilage B. Elastic cartilage C. Osseous tissue D. Nervous tissue E. Dense regular connective tissue
Loss of motor and sensory control of the trunk of the body and lower extremities as a result of a spinal cord injury describes ________.
A. peripheral neuropathy B. quadriplegia C. paraplegia D. a slipped disk
Which of the cells in the diagram contains structural adaptations that increase surface area for absorption?
1 B 2 C 3 D 4 E a) 3 and 4 b) 1 only c) 2 only d) 3 only e) 4 only
Microtubules, intermediate filaments, and microfilaments are all part of the cell's ________.
Fill in the blank(s) with the appropriate word(s).