Topics: The Vascular System and Blood Flow Quiz
What is the role of the thoracic pump in the return of blood to the heart?
A. Creating a difference in pressure between the veins in the chest and abdominal cavities
B. Pushing or massaging blood back to the heart with each muscle contraction
C. Regulating blood clotting
D. Assisting in the distribution of blood to different organs
Select your answer:
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Circulatory & Respiratory System Atoms and Radioactivity Pulse Disease as a Failure of Homeostasis Psychology, Psychiatry, & Social Work AEMT EMS Systems Disabilities Pathology Endocrine Nervous System: Diseases/Problems/Illnesses Cell and Muscle Histology Cardiorespiratory Endurance Cells Bacterial Resistance and Biotechnology Nutrition form 2 Vision & HearingOther quiz:
Biotechnology › ViewDiagram showing different epitopes on a protein and a bacterium.
A. Epitopes are specific regions on antigens.
B. Epitopes are the same on all proteins.
C. Epitopes are only found on viruses.
D. Epitopes are irrelevant in immune response.
Body Defense › View
Proteins that have a specific fit to a specific antigen are called
A. allergens
B. antibodies
C. antihistamines
D. none of these