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WorksheetsTutorial 7
Total questions: 13
Worksheet time: 3hrs 15mins
The circulatory system consists of the heart, blood vessels, and (a) .
The term cardiovascular system refers only to the (a) and blood vessels.
The job of the circulatory system is to transport substances from one location to another location in the body.
This is true.
Fake news!
(a) is the liquid connective tissue in which materials travel around the body. Blood (b) ensure proper routing of blood to its destinations. The (c) is the pump that keeps the blood flowing.
Drag the following to their correct locations on the image
leukocytes
plasma
erythrocytes
What is Viscosity?
A fluids colour.
A fluids temperature.
A fluids resistance to flow.
Low viscosity can be described as...
liquids that flow quickly
liquids that flow slowly
High viscosity can be described as...
a liquid that flows quickly
a liquid that flows slowly
What does osmolarity measure?
The amount of water in solution.
The amount of solutes in solution.
The combination of water and sugar.
The concentration of salt in solution.
true or false: red blood cells carry a protein called hemoglobin?
true
false
Each haemoglobin molecule can bind reversibly with
one atom of oxygen
one molecule of oxygen
two molecules of oxygen
four molecules of oxygen
The ion found in the haem group is what
Mg2+
O2-
Fe2+
Fe3+
The end of an erythrocyte's life includes breaking down the (a) chains so that the liberated (b) can be used to make other proteins. (c) is removed from the heme molecule and reused. The (d) molecule itself is eliminated from the body.
