5 Questions
Which organelle is responsible for harvesting energy from carbohydrates, fats, and lipids?
Mitochondria
What is the main source of energy for living organisms?
Carbohydrates
Which system transports food stuffs and oxygen to the cells in the body?
Respiratory system
Which type of organisms prepare their own food?
Autotrophs
What is the main function of the circulatory system?
Transporting nutrients and oxygen
Test your knowledge on the various organ systems and life processes in living organisms. Learn about the functions of the digestive, respiratory, circulatory, excretory, and control systems, as well as the coordination of internal and external organs.
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