The air sacks in the lungs by which gases pass in and out of the bloodstream are known as
A) cilia
B) alveoli
C) mitochondria
D) none of these
Correct Answer:
Verified
Q21: Poisons that show up in the environment
Q22: Select the accurate statement.
A)Exposure to lead and
Q23: Substances which in low concentrations can cause
Q24: Sulfur dioxide (SO2) is an environmental toxin
Q25: Teratogens such as thalidomide can cause
A)birth defects
B)anemia
C)hepatitis
D)none
Q27: The amount of a substance which is
Q28: The author of the ground-breaking book, Silent
Q29: The highest does of a substance at
Q30: The insecticide DDT (p-dichlorodiphenyltrichloroethane) is
A)highly toxic to
Q31: The insecticides parathion and malathion interfere with
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