Are all the blood vessels are rigid? How many of them are rigid?
Important Questions on Life Processes
Draw the diagram showing the sectional view of the human heart. Label the following parts.
(i) Aorta
(ii) Chamber of the heart that receives deoxygenated blood.
The following statements about blood vessels is/are correct.
(A) Arteries have thin and less muscular walls
(B) Walls of veins are non-elastic
(C) Arteries have no valves in their inner lining
(D) Veins do not collapse when empty
Write any five differences between artery and vein.
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong:
Name the following:
The smallest blood vessels with one cell thick walls.
Answer the following:
Differentiate between Translocation and transpiration.
(a) From which chamber is the oxygenated blood pumped to all parts of the body?
(b) Name the blood vessel in the heart which carries blood to the lungs.
Choose between the two options to answer the question specified in the brackets for the following.
An example is illustrated below.
Example: Corolla or Calyx (Which is the miter whorl?) Answer: Calyx
Blood in the pulmonary artery or pulmonary vein (Which one contains less oxyhaemoglobin?)
