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Questions and Answers
Which substances are transported by the circulatory system for cellular metabolism?
Which substances are transported by the circulatory system for cellular metabolism?
- Hemoglobin, digestive enzymes, and hormones
- Carbon dioxide, excessive water, and regulatory hormones
- Red blood cells, water, and ions
- Oxygen, nutrients, and metabolic wastes (correct)
What is the principal function of the circulatory system as described in the text?
What is the principal function of the circulatory system as described in the text?
- Respiration, digestion, and excretion
- Transportation, regulation, and protection (correct)
- Oxygen transportation and carbon dioxide elimination only
- Hormone production and temperature control
What is the main responsibility of red blood cells or erythrocytes in the circulatory system?
What is the main responsibility of red blood cells or erythrocytes in the circulatory system?
- Eliminating carbon dioxide from the blood
- Regulating hormone production
- Absorbing nutrients from the digestive system
- Transporting oxygen to tissue cells (correct)
Where are the absorbed products of digestion carried by the blood vessels of the circulatory system?
Where are the absorbed products of digestion carried by the blood vessels of the circulatory system?
In addition to transportation, what other function does the cardiovascular system perform as mentioned in the text?
In addition to transportation, what other function does the cardiovascular system perform as mentioned in the text?
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