define the term blood
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the red liquid that circulates in the arteries and veins of humans and other vertebrate animals, carrying oxygen to and carbon dioxide from the tissues of the body.
"drops of blood"
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Blood is the softest tissue in the bodies of organisms.
Extra Information :-
- Blood serves as one of the means of communication between cells of different parts of the body and the external environment.
- Blood functions principally as a vehicle for the transport of gases, nutrients, metabolic waste products, cells and hormones throughout the body.
- Blood constitutes about 8% of the total body weight.
- Increased acidity of blood is responsible for less transport of oxygen by Haemoglobin.
- Blood is salty in taste, heavier than water.
- The normal temperature of blood is about 38°C (40°F).
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