BiologyCode 5090
Circulatory system
What this topic asks you to be able to do
- Describe the circulatory system as blood vessels forming a system, with a pump that moves the blood and valves that keep it flowing one way
- outline double circulation as an arrangement in which blood goes through the heart two times for every complete circuit
- Understand that a double circulation gives the lungs a circulation at low pressure and the body tissues a circulation at high pressure