★ The Cardiovascular System OCR A-level Quiz
Which is the best definition of blood pressure?
A. The force exerted by blood against the blood vessel wall.
B. the pressure in the arteries when the ventricles are contracting
C. the pressure in the arteries when the ventricles are relaxing
D. the distance the blood is from the heart
Select your answer:
Topics:
Nutrients in Food Body Fluids & Circulation Musculoskeletal System Medical Terminology Differentiation and Division of Human Cells Plant Biotechnology Gastroenterology Pathogens, Disease and Immunity Patho_Genetics Obstructive Lung Disease Microbial Growth & Nutrition Pediatrics Parts of the Brain History of Medicine MEDICINE BoneOther quiz:
Skin Structure and Growth › ViewThe dermis layer is made up of two layers, which are the:
A. papillary and reticular
B. papillary and dermal
C. dermal and tactile
D. tactile and reticular
Respiratory System › View
What is the main function of the alveoli?
A. bring oxygen in and sent carbon dioxide out
B. move air into the esophagus
C. absorb nutrients
D. maintain blood flow throughout the body