Unit Award Scheme

116222 BLOOD AND ORGANS (UNIT 4): THE HEART

In successfully completing this unit, the Learner will have

Evidence needed

shown knowledge of

1the left and right side of the heart and the name of the four chambers of the heartStudent completed work
2the identity of the four valves in the heart and their locationsStudent completed work
3the flow of deoxygenated blood from the body via the vena cava to the lungs via the pulmonary arteryStudent completed work
4the flow of oxygenated blood from the lungs via the pulmonary artery to the whole body via the aortaStudent completed work
5why the left side of the heart has a thicker ventricle wall compared to the right ventricle Student completed work

acquired an understanding of

6how exercising muscles increases respirationStudent completed work

shown knowledge of

7the requirement of exercising muscles for more oxygen and the removal of carbon dioxide at a faster rateStudent completed work
8how the heart responds to this requirement, ie beating at a faster rateStudent completed work
9the role of receptors in the artery and the carotid artery in detecting increased levels of carbon dioxide in the blood Student completed work
10the fact that these receptors send signals to the brain which sends signals to the heart to contract more frequently and with greater forceStudent completed work
11at least two consequences of the adrenal gland secreting adrenaline which binds to receptors in the heart.Student completed work

All outcomes recorded on an AQA Summary Sheet

Approved 12 November 2021Level - Level Two