Examlex
Which can be used to characterize blood flow in the human body?
A: There is a unidirectional blood flow.
B: Arteries always carry oxygenated blood.
C: Veins always carry deoxygenated blood.
D: Arteries carry blood away from the heart.
E: Veins carry blood toward the heart.
Crystallinity
The degree to which a solid material has a crystal structure, impacting its physical properties like melting point and hardness.
Polymer
Large molecules made from repeating subunits called monomers, utilized in various applications from plastics to DNA.
Reaction
A process in which substances interact to form new substances with different chemical and physical properties.
Monomer Unit
A small molecule that can react with similar molecules to form a polymer, serving as the basic building block of polymers.
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