The ________ system allows for locomotion, provides support, and produces heat.
A) integumentary
B) skeletal
C) muscular
D) cardiovascular
E) digestive
Ans: C) muscular
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When someone begins to hyperventilate, the increased movements of their respiratory muscles ________ venous return of blood to the heart
A. increase B. decrease
You are a researcher specializing in cytology, specifically the cell structures of the skeletal muscle that moves the body. The instrument that you would use to see the fine detail within cells would be the
A) MRI scan. B) light microscope. C) scanning electron microscope. D) transmission electron microscope. E) CT scan
Which muscle cells have the greatest ability to regenerate?
A) no muscle can regenerate B) smooth C) skeletal D) cardiac
One of the many functions of ____ is to span the plasma membrane and form channels that allow passage of molecules and ions into and out of the cell
a. carbohydrates b. nucleotides c. lipids d. proteins