Answer:
I believe that C is the answer
here this definition is similar to yours:
Muscular endurance is the ability where a muscle perform repeatedly without fatigue
Superior/inferior vena cava - right atrium - right ventricle - pulmonary artery - lungs(for oxygenation) - pulmonary vein
Answer:
A (I think)
Explanation:
Carbohydrates and fats are comprised of carbon, hydrogen and oxygen. Proteins are composed of a chain of amino acids.
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