★ Circulatory and Respiratory System Quiz
Your heart has two sides that pump blood _________________.
A. the left side pumps blood out and the ride side pumps blood in
B. the right side pumps blood out and the left side pumps blood in
C. both pump out and then in at the same time
D. both pump in adn then out at the same time
Select your answer:
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Warm up Cell Diversity - Organization, Tissues, Plants and Animals Cancer & Cell Cycle Clinical Pathology Pathology Introduction Cell Injury Types of Doctors Physical and Sensory Impairment Erythrocyte Disorders Musculoskeletal Health and Wellness Nervous and Endocrine System Endocrinology Pancreatitis Advanced Stretching SM2 Doctor EquipmentsOther quiz:
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A. sugar
B. fat
C. DNA
D. an enzyme
Integumentary System › View
The process by which cells form fibrils of keratin and harden
A. sebacious glands
B. hair follicles
C. melanin
D. keratinization