Unit Award Scheme

116219 BLOOD AND ORGANS (UNIT 1): FUNCTIONS OF THE BLOOD

In successfully completing this unit, the Learner will have		Evidence needed
shown knowledge of
1	the composition of the blood, ie red blood cells, white blood cells, platelets and plasma	Student completed work
2	the role of plasma in the transport of carbon dioxide, digested food, urea, hormones and heat energy	Student completed work
3	how adaptations of the red blood cells, eg their shape, the absence of a nucleus and the presence of haemoglobin, make them suitable for the transport of oxygen	Student completed work
4	the fact that haemoglobin contains iron and reacts with oxygen in the lungs to form oxyhaemoglobin, and that the reverse happens in body tissues	Student completed work
5	blood always being red, even though many text books use a blue colour to denote the absence of oxygen in blood	Summary sheet
6	why veins near the surface of the skin look blue	Summary sheet
7	blood clotting being a process which prevents blood loss and the entry of microorganisms	Student completed work
8	how blood clots are formed, including the role of platelets and fibrin.	Student completed work

All outcomes recorded on an AQA Summary Sheet

Approved 12 November 2021Level - Level Two