Which of the following is a contribution of the digestive system to the muscular system?
a) Small intestine absorbs dietary calcium and phosphorous salts.
b) The liver can convert lactic acid to glucose.
c) Small intestine absorbs vitamin D.
d) Excess dietary calories are stored as triglycerides in adipose cells.
e) The liver synthesizes most plasma proteins.
b
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The cell that is the progenitor of all the types of blood cells is called the
A) megakaryocyte. B) committed progenitor cell. C) progenitor. D) reticulocyte. E) pluripotent hematopoietic stem cell.
Large cells that give rise to platelets are called ________.
Fill in the blank(s) with the appropriate word(s).
Convergent, parallel, pennate, parallel and fusiform are terms used to describe ______.
A. muscle action during contraction B. connective tissue fiber arrangements in tendons C. insertion points on long bones D. fasciculi arrangement and muscle shape
The type of feedback that increases or enhances the effects of the variable is:
A) negative. B) responsive. C) positive. D) neutral.