Khan Academy
Khan Academy: Circulatory System Questions
This is a ten-question quiz on the Circulatory system.
Khan Academy
Khan Academy: The Effects of High Blood Pressure on the Heart
Read this passage and study the chart to complete a five-question quiz concerning the circulatory system.
BBC
Bbc: Gcse Bitesize: Cellular Respiration and Transport
The circulatory system transports substances between the exchange surface and cells. It delivers oxygen and glucose to the tissues for respiration, which is the release of energy to cells.
Khan Academy
Khan Academy: Chronic Myelogenous Leukemia and the Philadelphia Chromosome
Read this passage and study the graphic to complete the five-question quiz related to the Chronic myelogenous leukemia and Philadelphia Chromosome.
Khan Academy
Khan Academy: Blood Oxygen Levels May Determine Cardiac Muscle Regeneration
Practice for the MCAT by answering questions based on the given bar graphs showing apoptosis and cytokinesis rates.
Treehut
Suzy's World: Heart
Find out why your heart beats and perform an experiment to see your pulse moving.