Skin belongs to which organ system?
A) gastrointestinal
B) endocrine
C) cardiovascular
D) integumentary
D
Explanation: Correct. The integumentary system contains the skin and its accessory organs.
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Most nations throughout the world use the ________ system of measurement
A) mass B) graphic C) metric D) decimal
Adaptive immune responses targeted at infections by helminth worms and other parasitic multicellular animals employ all of the following except _____. (Select all that apply.)
a. CD8 T cells b. IgE c. eosinophils d. mast cells e. CD4 TH2 cells f. basophils g. neutrophils h. IL-4.
Mary has been having trouble sleeping. Which pre-bedtime pattern should she adopt?
A. Exercising vigorously more than four hours before bedtime B. Going to bed at varying hours C. Taking 60-minute "power naps" in the afternoon D. Keeping the bedroom warm and dimly lit E. Having a snack an hour before bedtime
Discuss the evolution of the play movement for children in the late 1800s.
What will be an ideal response?