Net diffusion of water down its own concentration gradient toward an area of higher solute concentration is known as ____________________
Fill in the blank(s) with correct word
osmosis
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A single motor neuron together with all the muscle fibers it innervates is called a(n)
A) end foot. B) end plate. C) motor unit. D) dermatome. E) myotome.
The C1 vertebra forms a pivot joint with the C2 vertebra through a projection called the
A) transverse process. B) pedicle. C) dens. D) spinous process. E) superior articular process.
Salivary secretion:
a. is controlled by both conditioned and unconditioned reflexes b. is controlled only by hormones c. is controlled only by sympathetic nerves d. is more watery when stimulated by the sympathetic nerves e. none of the above
What is a chronotropic factor?
A. Anything that changes the heart rate B. The cardiac inhibitory center that uses parasympathetic neurons of the vagus nerve to keep the SA node at 70?80 beats/minute C. The cardiac accelerator center that uses sympathetic neurons to stimulate the SA and AV nodes to speed up the heart rate D. All of the answers are correct.