Connections between two bones are called ____________________ or ____________________
Fill in the blank(s) with correct word
joints; articulationsarticulations; joints
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Of the following substances, which has the greatest potential to cause dependence if used regularly?
A. Alcohol B. Heroin C. Marijuana D. Cocaine E. Nicotine
The function of the epiglottis is to
A) seal the opening larynx during swallowing. B) contain lymphoid tissues as do the tonsils. C) equalize air pressure between the naso- and oropharyngeal regions. D) warm the entrance to the pharynx, as it is extremely vascular with warm arterial blood. E) None of the answers are correct.
The aortic valve
a. prevents the backflow of blood into the aorta during ventricular diastole b. prevents the backflow of blood into the left ventricle during ventricular diastole c. prevents the backflow of blood into the right ventricle during ventricular diastole d. closes when the first heart sound is heard e. does not do any of the above
The enzyme that breaks down complex carbohydrates is
A) lactase. B) rennin. C) amylase. D) carbonic anhydrase. E) lysozyme.