Predict the movement of water between the cytosol of a cell and hypertonic plasma
What will be an ideal response?
The plasma is hypertonic to the cytosol when its osmotic pressure is higher than that of the cytosol. This exerts a "pull" on the water molecules in the cytosol, and water moves out of the cytosol and into the interstitial fluid and then plasma. As a result, the cell shrinks.
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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.
What are the cell-to-cell contacts of the cardiac muscle fibers called?
A. Z discs B. T-tubules C. Intercalated discs D. Cardiac discs E. Sarcoplasmic reticulum
The amino acid ____________________ is a primary excitatory neurotransmitter in the central nervous system
Fill in the blank(s) with correct word
End-diastolic volume minus end-systolic volume is equal to
A. cardiac reserve. B. pulse volume. C. cardiac output. D. stroke volume. E. venous return.