The major preventable cause of many respiratory diseases is ________.
A. asthma
B. allergies
C. smoking
D. fungi
Answer: C
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Which of the following bonds are classified as weak bonds?
A) Hydrogen bonds, ionic bonds, van der Waals forces B) Hydrogen bonds, ionic bonds, disulfide bonds C) Ionic bonds, van der Waals forces, ester bonds D) Peptide, bonds, disulfide bonds, ether bonds
Which of the following is not a characteristic of somatic reflexes?
A. They are involuntary. B. They require stimulation. C. They are quick. D. They are monosynaptic. E. They are stereotyped.
The prime mover for extension of the arm at the elbow is the __________ __________.
Fill in the blank(s) with the appropriate word(s).
The common passageway shared by the respiratory and digestive systems is the
A) vestibule. B) esophagus. C) glottis. D) larynx. E) pharynx.