An organism that exhibits a head with sensory equipment and a brain probably also have receptors, which capture the stimuli of the environment and transform them into a nervous impulse, and organs of the senses that are the communication channels we have with the environment and thanks to them we understand and interpret the environment, they are: vision, hearing, smell, taste, and touch.
I think its the reproductive system, but im not sure.
<span>This is a true statement. When a person is not being stimulated but is in the process of becoming tired, they will start to experience almost instant drowsiness. This is why it is important for a person to continually be doing something if they are starting to become tired and are in a dangerous situation. This will alleviate the tendency to start to drowze.</span>