The main cause of emphysema is
a. a genetic predisposition.
b. exposure to chemicals in the workplace.
c. recurring respiratory infections.
d. long-term smoking.
e. poor diet.
Answer: d
Biology & Microbiology
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The spiracles and tracheae of insects have a function most similar to that of _____
A) rhinophores B) dorsal plummules C) cerata. D) chemoreceptors
Biology & Microbiology
The genotype is the physical appearance of the organism
1.True 2.False
Biology & Microbiology
Urine formed by a kidney collects in the ____ before being drained from the kidney by the ____ and transported to the _____.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
The connection between the hypothalamus and the anterior pituitary is ________
A) circulatory B) neural C) via special ducts D) There is no connection.
Biology & Microbiology