★ The Cardiovascular System OCR A-level Quiz
Which is the correct definition of bradycardia?
A. a decrease in resting heart rate below 60 beats per minute
B. the thickening of the muscular wall of the heart so it becomes bigger and stronger
C. An increase in stroke volume and cardiac output
D. a decrease in blood pressure
Select your answer:
Topics:
Urinary System Medical Terms Wellness Vocabulary Organ Senses and Locomotor System Unintentional Injuries Psychiatry Gaseous Exchange in Humans Body Structures and Organ Systems DNA Replication Head and Neck Anatomy The Inflammatory Response Blood Tissues Vocabulary Phlebotomy Medical Terminology Diseases of The Nervous System Circulatory System and NutritionOther quiz:
Human Organ System › ViewThis part of your brain gives you balance and coordination.
A. Cerebrum
B. Cerebellum
C. Brainstem
D. Medulla oblongata
Microbiology › View
Which of the following organelles is responsible for producing energy?
A. nucleus
B. cell wall
C. chloroplast
D. mitochondria