★ Integumentary system Quiz
The protein that makes us “waterproof” is called
A. Mucus
B. Carotene
C. Keratin
D. Carotene
Select your answer:

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Healthy Living Vocabulary › Viewevents or demands that cause you to feel upset or anxioyus
A. optimal
B. habits
C. personality
D. stress
Hematology › View
Which of the following cells is the largest in peripheral blood?
A. Promonocytes
B. Monocytes
C. Lymphoblasts
D. Prolymphocytes