You should totally think that the stomach is cool because as you know that the stomach can hold your food for a few hours
The nervous system is often considered the most interesting because of its complexity and role in controlling all bodily functions. It allows for communication between the brain and different parts of the body, enabling us to think, move, feel, and respond to our environment. The intricate network of neurons and neurotransmitters involved in transmitting signals makes it a fascinating system to study.
organ system
Organ systems are most complex and fragile starting with the atoms. The most complex organ systems is the organism. In between are the molecules, cell, tissue, organ, and organ system.
because of the stars because they are unique
The brain
Eyes are part of the visual system within the nervous system, while ears are part of the auditory system, also within the nervous system. Both systems work closely with the brain to process sensory information from the environment.
The brain is the most important organ of the nervous system. The spinal cord and the brain are the main parts of the nervous system but the spinal cord is not considered to be an organ.
kidneys
The lungs.
lungs
Kidney
Now this is a answer with many different answers What do you think is the most interesting part? Others may think differently.