and chewing .
(d) Explain the experiment to show how the energy is released during respiration aided by relevant diagram.
Providing labels and caption to the given diagram, state the function of the lymph system. . (Do not
copy the diagram in your answer book. Write the label against the number indicated in the lines pointing
towards respective areas of the diagram in your answer book. You are also to write the caption
Weight has both magnitude and ………. .
(15) The SI unit of weight is ……… .
(16) Mass is a scalar quantity and its SI unit is ……… .
(17) The gravitational force interact between ………. .
(18) The weight of 50 kg mass is ……….. .
(19) The nuclear force is a ……. range force.
(20) The ratio of mass to volume is defined as ……… .