Other Than in the Heart, Where Are There Valves in the Circulatory

question 4

Multiple Choice

Other than in the heart, where are there valves in the circulatory system, and what purpose do they serve?

• A) Arteries, push blood forward
• B) Capillaries, keep blood from moving backwards
• C) Veins, keep blood from moving backwards
• D) Veins, push blood forward
• E) Arteries and veins, control speed of blood flow

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Definitions:

Polymorphic

Having multiple forms or appearances, often referring to genetic variation within a population.

Genes

are units of heredity made up of DNA that act as instructions to make molecules called proteins, playing a vital role in determining biological traits.

Amino Acids

Organic compounds that combine to form proteins, playing crucial roles in body processes like the synthesis of neurotransmitters and hormones.

Proteins

Large molecules made up of amino acids, essential to the structure, function, and regulation of the body's cells, tissues, and organs.