2.2 Animal tissues, organs and organ systems

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Question 49
Medium

The human circulatory system transports various substances around the body and consists of blood, blood vessels, and the heart.

a.

Blood plasma is the liquid component of blood. Name two substances, other than urea, that are transported in the blood plasma.

[2]
b.

Red blood cells are highly specialized cells. Explain how two structural adaptations of a red blood cell allow it to transport oxygen efficiently.

[3]
c.

Compare the structure of an artery with the structure of a vein.

[3]

2.2 Animal tissues, organs and organ systems Questions

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  2. /Biology
  3. /2.2 Animal tissues, organs and organ systems