
Which statement is true?
A. A fit person’s heart may work more efficiently than a nonfit person’s heart because genetics determines the heart’s efficiency.
B. A fit person’s heart may work the same as a nonfit person’s heart because genetics determines the heart’s efficiency.
C. A fit person’s heart works more efficiently by pumping less blood with more beats.
D. A fit person’s heart works more efficiently by pumping more blood with fewer beats.
Select your answer:

Topics:
Nutrition Muscle Histology Blood Pressure and Blood Vessels Brain, Neurons and The Nervous System Blood and Bones Tissues Vocabulary Nasal Polyp Effect of Exercise on Cardio Respiratory System & Muscular Cardiovascular Pathophysiology Linked Gene Cells & Body Systems Dermis Hospice Basics Types of Immunity SkeletonOther quiz:
Urinary System, Fluid, Electrolyte and ph Balance › ViewWhat is the nervous control of the external urethral sphincter?
A. Voluntary
B. Involuntary
Thyroid and Intro to Endocrinology › View
A system in which an increased in the product decreases the activity of the system and the production rate
A. Positive Feedback Mechanism
B. Negative Feedback Mechanism