Blood consists of a pale yellow fluid called plasma in which are suspended white blood cells, platelets and red cells. If blood is centrifuged the cells.
Homework 1.Q 2,3,4 pp38-9 2.Complete todays lesson work (role of the alveolus in gas exchange) 3.Red p75 mah 4.Red p77 mah 5.Red q p79 mah.
