These chemicals are named neurotransmitters.
"hormones"
This type of information is called chemosensory information. It is acquired through chemical stimuli sensed by chemoreceptors in the body and directed to the brain for processing and interpretation of the environmental cues.
The chemical responsible for triggering allergic reactions in the body is called histamine.
The chemical responsible for inducing sleep in the human body is called melatonin.
spinal cord
true
The special cells in your body that transfer messages are called neurons. Neurons are specialized cells that transmit information through electrical and chemical signals in the nervous system, allowing communication between different parts of the body.
plasma membrane
yes its called adrenalin
Metabolism.
These substances are called nutrients.
It is called a hormone.