Free course

Understanding cardiovascular diseases

blood pressure

A measure of the force generated by the beating of the heart pressing blood against the walls of the arteries as it is pumped around the body. A blood pressure measurement shows the higher systolic pressure (when the heart beats) and the lower diastolic pressure (when the heart relaxes).

» Course Glossary

SK121_1

Take your learning further

Making the decision to study can be a big step, which is why you'll want a trusted University. The Open University has 50 years’ experience delivering flexible learning and 170,000 students are studying with us right now. Take a look at all Open University courses.

If you are new to university level study, find out more about the types of qualifications we offer, including our entry level Access courses and Certificates.

Not ready for University study then browse over 900 free courses on OpenLearn and sign up to our newsletter to hear about new free courses as they are released.

Every year, thousands of students decide to study with The Open University. With over 120 qualifications, we’ve got the right course for you.

Request an Open University prospectus