Which of the following is a feature of erythrocytes?A) Produce infection-fighting proteinsB) Have a high surface-to-volume ratioC) Carry oxygen and carbon dioxide in bloodD) Are large in sizeE) When mature, have no nucleus
What will be an ideal response?
B, C, E
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Which of the following is a function of the glomerular capsule?
A) collecting the filtrate from the glomerulus B) reabsorbing more than 80 percent of the water from the filtrate C) reabsorbing useful organic substances D) secreting waste products into the filtrate E) All of the answers are correct.
A ________________________________________ feeding system can help quiet confined dogs
Fill in the blank(s) with correct word
Which statement comparing the feline and human lungs is correct?
A) The lungs of the cat have more lobes than the lungs of humans. B) The lungs of the cat have fewer lobes than the lungs of humans. C) The lungs of the cat have the same number of lobes as the lungs of humans.
Which of the following statements regarding contraction of a skeletal muscle fiber is TRUE?
A. Thick filaments shorten when muscle cells contract. B. Some contractions occur without cross-bridge activation. C. Contracting muscle fibers do not always shorten. D. Contraction does not always require the occurrence of an action potential. E. Contraction only occurs following summation of action potentials from many motor neurons.