In this lesson we look at the diastolic phase (also called diastole) where the heart chamber is in a state of relaxation and fills with blood that receives from the veins. As well as the systolic phase (also called systole) where the heart chambers are contracting and pumps the blood towards the periphery via the arteries.
Up Next in Term 4
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The blood vessels
In this lesson we discuss the three main types of blood vessels, the veins, arteries and capillaries.
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The composition of blood
In today's lesson we look at blood, a transport liquid pumped by the heart to all parts of the body, after which it is returned to the heart to repeat the process.
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Pulmonary, systemic, coronary and por...
In this lesson we take a look at the circulatory system helps fight off diseases, helps the body maintain a normal body temperature, and provides the right chemical balance for the body to achieve homeostasis, or a state of stability among all its systems.
