10 Questions
What is the purpose of the cardiovascular system in most multicellular organisms?
Transport of nutrients, waste products, and respiratory gases
In which organisms does gas exchange take place by simple diffusion across the cell membrane?
Small organisms (diameter < 1mm)
What are the body fluids responsible for transporting nutrients, waste products, and respiratory gases?
Blood and lymph
What is the primary function of arteries in the circulatory system?
Carrying oxygenated blood away from the heart
What is the primary purpose of the cardiovascular system in most multicellular organisms?
Transporting nutrients, waste products, and respiratory gases
What is the purpose of haemostatic mechanisms in the circulatory system?
To prevent excessive bleeding by forming blood clots
Which organisms do not require an internal system of transport for nutrients and waste products?
Sponges, cnidarians, and flatworms
What facilitates gas exchange in small organisms with a diameter less than 1mm?
Simple diffusion across the cell membrane
What are the body fluids responsible for transporting nutrients, waste products, and respiratory gases?
Blood and lymph
What is the function of haemostatic mechanisms in the circulatory system?
To prevent excessive bleeding after injury
Test your knowledge of animal physiology circulation with this quiz covering topics such as blood vessels, blood pressure, haemostatic mechanisms, heart structure, and cardiac cycle. Questions range from the composition of body fluids to the initiation of heartbeat and cardiac output.
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