Exchange of Gases:
During gas exchange oxygen moves from the lungs
to the bloodstream. At the same time carbon dioxide passes from the blood to
the lungs. This happens in the lungs between the alveoli and a network of tiny
blood vessels called capillaries, which are located in the walls of the
alveoli.
Which of the
following gas/es is/are inhaled from air diffuse/s to the blood capillaries?
a) oxygen
b) carbon
dioxide
c) nitrogen
d) hydrogen
When oxygen is diffused from inhaled air into the blood, the blood becomes…….
a) oxygenated
b) deoxygenated
c) poisonous
d) health
Which of the following is the waste product of cellular respiration?
a) oxygen
b) carbon dioxide
c) nitrogen
d) hydrogen
From where the carbon dioxide is added into the blood?
a) lungs
b) kidney
c) whole body cells
d) liver
When carbon dioxide is diffused from body cells into the blood and oxygen is removed, the blood becomes…….
a) oxygenated
b) deoxygenated
c) poisonous
d) health
