The Cardiovascular system 1.2.2. Semilunar valves. Aorta. Left atrium. Vena cavae. Pulmonary artery. Right atrium. Pulmonary veins. Tricuspid valve. Bicuspid valve. Right ventricle. Left ventricle. Septum . Cardiac muscle. To the lungs. To the body. From the body. From the lungs.
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To the body
From the body
From the lungs
The left side
blood to the rest of
the body for use.
The right side pumps deoxygenated blood to the lungs to pick up oxygen.
Blood flows around the body in a ‘figure of eight’ circuit, passing through the heart twice on each circuit. Hence the name the Double Pump System.
There are 2 separate ‘loops’ to the circuit:
The top loop – carries blood from the heart to the lungs and back.
The bottom loop – carries blood from the heart to all over the body and back.
Heart rate is:
“The number of times the heart beats each minute”
“the volume of blood pumped out of the heart during one contraction”
“the amount of blood ejected from the heart in one minute”
Red blood cells
“The volume of air inspired and expired with each normal breath at rest or during exercise ”
“the maximum amount of air that can be made to pass into and out of the lungs by the most forceful inspiration and expiration”
“the amount of oxygen consumed during recovery above that which would have ordinarily been consumed in the same time at rest”
Hold and rotate the shoulders and also move the head back and sideways.
In the centre of the chest at the back of the body, spreading up.
Pull your arms down at the shoulders and back behind your back.
At the back of the body, either side of the chest.
At the top of each arm at the back.
Straighten the arms at the elbow.
In the upper part of the body, covering the shoulders.
Raise the arms in all directions at the shoulders.
At the top of each arm at the front.
Bend the arms at the elbows.
At the top of each leg at the front.
Straighten the legs at the knees.
Raise the arms up, sideways and across the chest at the shoulders.
In the upper part of the chest at the front.
At the front of the body in the middle, just below the chest.
Pull in the abdomen and bend the spine so you can bend forward.
Agonist or Prime Mover
Bone forms part of our lean body mass, which relate to weight and can affect performance (Diet and Nutrition Year 10).
Bone determines size of body and length of limb, rugby players, gymnasts, high jumpers.
Bones influences Body Composition and can therefore influence participation and performance in Sport.
A joint – a place where 2 or more bones meet.
“a place were two bones meet”