Cells are held together by a "biological glue" called the intracellular matrix
a. True
b. False
Indicate whether the statement is true or false
False
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In humans, blood returning from the big toe passes from the inferior vena cava to the _______.
A. left atrium>left ventricle>aorta B. left atrium>left ventricle>pulmonary trunk C. right atrium>right ventricle>aorta D. right atrium>right ventricle>pulmonary trunk
The inhaled air enters each lung lobe through a ________.
A. segmental bronchus B. lobar bronchus C. bronchiole D. main bronchus
The small intestineA) is the main site of fat digestion.B) secretes amylase, lipase, and various proteases from its epithelial cells.C) is the main site of gastrin secretion.D) absorbs a larger volume of fluid than any other region of the GI tract.E) undergoes only peristaltic contractions, both during the digestion of meals and between meals.
What will be an ideal response?
As the urinary system ages:
a. the number of nephrons decreases b. the blood flow to the kidney is reduced c. the muscles of the bladder begin to atrophy d. all of the above