5 Questions
Which of the following is a reason why unicellular organisms do not need a cardiovascular system?
They rely on diffusion through their cell membrane
In small multicellular organisms like C. elegans, the diffusion time for oxygen is approximately how long?
30 seconds
For larger organisms like humans, why is a cardiovascular system essential?
They require a more efficient method of nutrient delivery and waste removal
Which of the following is NOT an essential part of the cardiovascular system?
Veins
What is the definition of the cardiovascular system?
The system responsible for circulating blood and lymph in the body
Test your knowledge on the importance of the Cardiovascular System in delivering nutrients and removing waste in multicellular organisms. Learn about the limitations of diffusion in unicellular organisms and small multicellular organisms.
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