One of the key features of epithelial tissue that differentiates it from the other three types of tissue is
A) the density of the tissue, with cells connected very closely.
B) semipermeability.
C) its ability to reproduce.
D) the ability to carry large amounts of oxygen.
E) its control over the other tissues.
A) the density of the tissue, with cells connected very closely.
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Spongy bone makes up less than half of total bone mass, and is located internal to compact bone
Indicate whether this statement is true or false.
Where do humans obtain most of their water?
A) Drinking water B) Water trapped in solid food C) Metabolic water D) Condensation reactions
_________ is the hormone produced by the ________ cells of the testes, and it selectively inhibits the secretion of _________ from the anterior pituitary gland
Fill in the blank(s) with correct word
Overinflation of the lungs during inhalation is prevented by the _____.?
A) ?stimulation of nerve endings in the walls of the lungs B) ?action of the diaphragm C) ?positive pressure in the pleural cavity D) ?level of oxygen in the alveoli