This muscular organ works to pump blood throughout your body ...

★ Circulatory System Quiz

This muscular organ works to pump blood throughout your body via an intricate network of blood vessels; the size of two adult hands held together, the heart rests near the center of the chest.

A. Pulmonary Veins

B. Heart

C. Blood

Select your answer:

Topics:

Digestive and Circulatory System Viruses Nephrology (Hemodialysis) Integumentary and Musculoskeletal Systems Bacteria Structure Biochemistry Vocabulary Human Excretory System Nutrition Integumentary System & Body Directions Shoulder Animal Nutrition Maximal Oxygen Consumption (VO2 Max) Illness and Symptoms Medicine on the Western Front Carbohydrates and Proteins

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What is the function of the sarcoplasmic reticulum in muscle fibers?

A. Calcium storage

B. Waste removal

C. Energy storage

D. Protein synthesis

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Is cholera infectious or not?

A. Yes, it is

B. No, it is not