★ Heart Quiz
As a heart chamber contracts, what happens to the pressure of the fluid within it?
A. It increases.
B. It decreases.
C. It neither increases nor decreases.
D. It decreases then increases.
E. It remains constant then decreases.
Select your answer:
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Sensory System Key Terms › ViewTiny hairs that move mucous and dust particles from the sinuses to the back of the nose.
A. Cilia
B. Cerumen
C. Pinna
D. Papillae
Dental Caries › View
remineralization
A. is the dissolution of the calcium and phosphate from hydroxyapatite crystals.
B. replacement of minerals in the tooth of calcium and phosphate in previously demineralized areas.