Primary producer, because it has to make it's own food.
Automatic Nervous system
In human, the automatic nervous system is part of the peripheral
nervous system and it consists of the sympathetic division and the parasympathetic
division. Automatic nervous system is regulated by hypothalamus which
controls our internal organs and glands such as blood pressure, breathing, pulses
and arousal in response to emotional circumstances.
The sun
The sun produces our hear