Smooth muscle lacks
A) transverse tubules and striations. B) actin and myosin.
C) nuclei and mitochondria. D) myofibrils.
A
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________________________________________ glands lubricate the skin and discourage bacterial growth on the skin
Fill in the blank(s) with correct word
giantism is a result of oversecretion of
What will be an ideal response?
The muscle that causes an action is the
A. agonist. B. antagonist. C. mediator. D. synergist.
Because of their short lifespan, a huge number of erythrocytes are recycled by macrophages. Which of the following is NOT a function of the macrophage?
A.) The macrophage phagocytizes hemoglobin from the bloodstream. B.) The macrophage synthesizes a small amount of hemoglobin and transports it to the bone marrow. C.) The macrophage phagocytizes deteriorating and fragmented erythrocytes. D.) The macrophage extracts iron from the heme portion of hemoglobin. E.) The macrophage dismantles the globin portion of hemoglobin into individual amino acids.