GCSE PE Cardiovascular System-Double Circulatory System
Terms in this set (11)
Systemic Circulatory System
Systemic circuit carries blood around body to deliver oxygen and returns deoxygenated blood to heart
Pulmonary Circulatory System
The system of blood vessels that carries deoxygenated blood to the lungs and oxygenated blood back to the heart
Relaxation phase, chamber fills with blood. Blood pressure at its lowest.
Contraction phase, blood is pumped from the chamber. Blood pressure rises
Blood vessels that carry blood away from the heart
Blood vessels that carry blood back to the heart
Smallest blood vessel through which gaseous exchanges take place between the blood and cells of the body
Heart Rate (HR)
Number of heart beats per minute
Stroke Volume (SV)
The amount of blood pumped out of the heart with each contraction.
Cardiac Output (CO)
Amount of blood pumped in 1 minute (~5 L)
Red Blood Cells
Carry oxygen from the lungs to the working muscles.
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