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Questions and Answers
Why is blood considered both a tissue and a fluid?
Why is blood considered both a tissue and a fluid?
- Because it transports oxygen and carbon dioxide.
- Because it is pumped by the heart to all parts of the body.
- Because it is a collection of specialized cells suspended in plasma. (correct)
- Because it is red in color and flows through the body.
What is the primary function of red blood cells in the body?
What is the primary function of red blood cells in the body?
- Transporting oxygen from the lungs to the body tissues. (correct)
- Preventing blood loss in case of injury.
- Helping in blood clot formation.
- Producing antibodies to fight infections.
Why is it crucial for blood flow to be constant within the body?
Why is it crucial for blood flow to be constant within the body?
- To ensure blood reaches every body part equally.
- To prevent blood cells from sticking together.
- To maintain the composition of the blood. (correct)
- To reduce the heart's workload.
What would happen if blood flow ceases in the body?
What would happen if blood flow ceases in the body?
Which organ is responsible for removing excess water and waste products from the blood?
Which organ is responsible for removing excess water and waste products from the blood?
How do red blood cells contribute to the exchange of oxygen and carbon dioxide in the body?
How do red blood cells contribute to the exchange of oxygen and carbon dioxide in the body?
What is the primary purpose of the circulatory system in larger and more complex animals?
What is the primary purpose of the circulatory system in larger and more complex animals?
What happens to iron released during the destruction of old red cells?
What happens to iron released during the destruction of old red cells?
How do unicellular organisms and primitive multicellular animals exchange gases and nutrients?
How do unicellular organisms and primitive multicellular animals exchange gases and nutrients?
Which animal lacks a blood system but transports foodstuffs and oxygen through water pumped inside its body?
Which animal lacks a blood system but transports foodstuffs and oxygen through water pumped inside its body?
What mechanism prevents a potentially hazardous depletion of glucose in the blood?
What mechanism prevents a potentially hazardous depletion of glucose in the blood?
In which organisms does blood pass through a respiratory exchange membrane for oxygen and carbon dioxide exchange?
In which organisms does blood pass through a respiratory exchange membrane for oxygen and carbon dioxide exchange?
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