One way that toxic substances can enter the human body is through the ____
a. bones
b. circulatory system
c. lungs
d. kidneys
e. lymphatic system
c
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Identify the suffix for dilation.
A. -ptosis B. -rrhea C. -ectasia D. -pathy
During chewing, the food is mixed with saliva, producing a softened ball of food called a/an ____________________.
Fill in the blank(s) with the appropriate word(s).
Which of the following refers to consistency in the measurement process?
A) Validity B) Specificity C) Sensitivity D) Reliability
Which statement BEST describes greenhouse gases?
A) Layers of aerosolized chemicals that trap heat near the Earth's surface B) Pathogenic organisms that leak into groundwater C) Packaging, discarded food, yard debris, and solvents D) Smog and respiratory irritants that can contribute to the development of cancer