Health experts believe that the riskiest type of sex is unprotected
a. vaginal sex.
b. oral sex.
c. digital sex.
d. anal sex
d
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Answer the following statements true (T) or false (F)
1. Sports drinks are a good choice as a fluid replacement for activities lasting longer than 90 minutes. 2. The information on "Nutrition Facts" food labels is based on a daily intake of 2,000 calories. 3. The FDA tests dietary supplements for purity and potency. 4. Most cases of foodborne illness occur as a result of improper food handling.
Which is the predominant immunoglobulin produced after a host's re-exposure to an antigen?
1. Immunoglobulin G (IgG) 2. Immunoglobulin A (IgA) 3. Immunoglobulin E (IgE) 4. Immunoglobulin D (IgD)
Motor neurons transmit impulses toward the brain
Indicate whether the statement is true or false
A ________ shape is a shape in which each side of the body looks different from the other side.
Fill in the blank(s) with the appropriate word(s).