LO3: Know the structure and function of the cardiovascular system
Content and assessment criteria
• Structure of the cardiovascular system
• Heart
• Blood vessels
• Composition of blood
• Circulatory systems
• Systemic (Oxygenated part)
• Pulmonary (Deoxygenated part)
• Coronary
• Functions of the cardiovascular system
• Response of the cardiovascular system to exercise
The cardiovascular system
The cardiovascular system is responsible for the circulation of blood.
The main 3 parts (structures) include?
• The heart (cardio) – a cardiac muscle pump
• The blood vessels (vascular) - arteries, arterioles, capillaries, venules and veins
• The blood – fluid containing nutrients, hormones, medication, carbon dioxide, oxygen, waste
products
, The location of the heart
• Located in the thoracic cavity
• Between the right and left lungs
• Protected by the rib cage
• Posterior to the sternum/just left of centre
• Size of a clenched fist
• Muscular pump
The heart
Right side Left side