I.G.C.S.E Department
Worksheet 10
Biology
Transport in animals
Grade 9
1. Label the following (human heart) picture.
2. Label the following picture with the suitable words of the following
( Artery, Vein, Capillaries)
3. Mention two adaptations of the blood capillaries enable it doing its function.
a. ...............................................................................
b. ...............................................................................
4. Compare between arteries veins and capillaries in the following table.
Arteries
Veins
Capillaries
Pressure
Wall thickness
Muscle & Elastic fibres
Valves
5. Name the function of each of the followings.
Arteries ..........................................................................................................................
Veins ..............................................................................................................................
Blood Capillaries ..........................................................................................................
6. What is the importance of the valves present in the vein structure.
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