Which structure initiates a heartbeat?
A. AV node
B. SA node
C. left ventricle
D. left atrium
E. right ventricle
Select your answer:
Topics:
Physical Education DNA Structure and Function Cells Eye Physiology Health Prehabilitation and Conditioning Digestive and Circulatory System Organization of Systems Anatomy - Muscle Contraction and Growth Principle of Health Science Cell & Bond Musculoskeletal - Clinical Food for Thought Renal, Cancer, HIV 3M MicroparaOther quiz:
Physical and Sensory Impairment › ViewA person with limited vision or can’t see at all is considered?
A. Blind
B. Deaf
C. ADHD
D. Uses sign language
Pain Pathophysiology › View
Emily, Josiah, and Francis are in a health class learning about various health conditions. Their teacher, Rylee, asks them about chronic fatigue syndrome. Can you help them answer? What exactly is chronic fatigue syndrome?
A. A condition characterized by persistent muscle pain
B. A condition characterized by persistent sleep disturbances
C. A condition characterized by persistent cognitive difficulties
D. A condition characterized by persistent feelings of tiredness, listlessness, and other symptoms