Questions and Answers
What is the function of the heart and blood vessels in animals?
To transport substances and form the circulatory system
What is the role of red blood cells in the body?
To bind with oxygen and transport it to all parts of the body
What gives blood its red color?
The red pigment called haemoglobin in red blood cells
What is the main function of blood in the body?
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What is the fluid in which different types of cells are suspended in the blood called?
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