Circulatory & respiratory systems Heart Heart Blood vessels Blood vessels arteries > arterioles arteries > arterioles (away from heart) (away from heart) veins > venules veins > venules (returning to heart) (returning to heart) capilliaries capilliaries blood blood Lungs Trachea Bronchi Bronchioles alveoli

Circulatory & respiratory systems Work together to get oxygenated blood to the working muscles. Work together to get oxygenated blood to the working muscles. Oxygenated blood is picked up at the lungs, it returns to the heart and is then pumped around body via the arterial system, delivering oxygen and nutrients as it goes. Oxygenated blood is picked up at the lungs, it returns to the heart and is then pumped around body via the arterial system, delivering oxygen and nutrients as it goes. Deoxygenated blood (inc waste products such as carbon dioxide) returns to heart via venous system and is pumped back to lungs to pick up more oxygen. Deoxygenated blood (inc waste products such as carbon dioxide) returns to heart via venous system and is pumped back to lungs to pick up more oxygen.

Better physical performance How efficient our respiratory and circulatory systems are at working together will affect our physical performance How efficient our respiratory and circulatory systems are at working together will affect our physical performance The more efficient our respiratory system is, the greater will be the volume of oxygen getting into our lungs, and from there into our bloodstream. The more efficient our respiratory system is, the greater will be the volume of oxygen getting into our lungs, and from there into our bloodstream. The more efficient our circulatory system is, the greater will be the volume of this oxygen rich blood being pumped to our muscles and organs enabling them to work efficiently for longer. The more efficient our circulatory system is, the greater will be the volume of this oxygen rich blood being pumped to our muscles and organs enabling them to work efficiently for longer. BOTH SYSTEMS CAN BE IMPROVED BY TRAINING BOTH SYSTEMS CAN BE IMPROVED BY TRAINING

Benefits of exercise to circulatory system Stronger cardiac muscle Stronger cardiac muscle Increased stroke volume Increased stroke volume Increased cardiac output Increased cardiac output (stroke volume x beats per minute) (stroke volume x beats per minute) Lower resting heart rate Lower resting heart rate

Benefits of exercise to respiratory system Improved gaseous exchange Improved gaseous exchange Increased vital capacity Increased vital capacity Increased tidal volume Increased tidal volume Improved O2 debt tolerance Improved O2 debt tolerance

Short term effects of exercise Short term Effects of exercise breathingcirculationsweatingmusclesPulse rate

Training effects Long term Effects of exercise General well being More efficient heart More efficient Circulatory system More efficient Respiratory system Body composition muscles Rate of recovery