Get premium membership and access revision papers with marking schemes, video lessons and live classes.
OR

# Form 2 Biology respiration questions and answers

The amount of blood flowing through a certain parts in the mammalian body at different activity levels was measured and results tabulated as shown in the table below.

(a) Account for:
(i) The high blood flow through cardiac and skeletal muscles during strenuous exercises.
(ii) The results obtained for the alimentary canal at rest.
(b) Name two wastes materials excreted by both the skin and the kidney.

(3m 38s)
736 Views     SHARE

to contracting skeletal muscles which require more energy , therefore a lot of glucose/ amino acid molecules of ATP is needed for more contraction. Also muscles contraction and relaxation increases. Waste material like CO_2 and lactic acid produced need to be carried away from muscles for elimination.