The vertical depression between the nose and upper lip is called the ________.
Fill in the blank(s) with the appropriate word(s).
philtrum
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Movement of nutrients, wastes, and organelles between the cell body and axon terminals is called
A) osmosis. B) diffusion. C) axonal transport. D) axoplasmic transport. E) neurofibular contraction.
Answer the following questions true (T) or false (F)
1. When you bend your head, gravity pulls on the otolithic membrane, bending the stereocilia either toward or away from the kinocilium. 2. Unipennate muscles have fascicles that wrap around a bone or have a twisted appearance. 3. The muscle named gluteus maximus tells us two facts: 1 ) it is located in the buttocks (gluteus), and 2 ) it is a large muscle (maximus).
Atoms of the same element whose nuclei contain the same number of protons, but different numbers of neutrons, are called
A) isotopes. B) ions. C) isomers. D) trace elements. E) principal elements.
What is a collection of similar cells and surrounding substances?
A. extracellular matrix B. organ C. organ system D. tissue E. intracellular matrix