The respiratory system takes in air starting from your nose and mouth, then sends it through a tube in your throat called the trachea, and then into your lungs. The trachea connects to the lungs by splitting into two tubes called bronchiole tubes, which eventually split into smaller and smaller tubes.
Causes and contributors of low Serotonin Levels and Deficiency. Serotonin is synthesized in the brain and body from tryptophan an amino acid. Tryptophan converts into 5- hydroxytryptophan then into serotonin (5-hydroxytryptamine), if all of the co-factors are present.atural Serotonin is involved in the regulation of several processes within the brain, including, depression, mood, emotions, aggression, sleep, appetite, anxiety, memory and perceptions. Serotonin regulates these processes through pathways that innervate (connect to) different brain regions.
Too little serotonin is strongly linked to conditions such as anxiety and depression. If you have serious anxiety or depression, you should consult a medical professional, as your condition may require prescription treatment. However, you can do some things to increase serotonin naturally.erotonin is a neurotransmitter, or chemical in your body that relays messages to your brain. The brain produces serotonin by combining tryptophan hydroxylase and tryptophan to form 5-hydroxytryptamine (i.e., serotonin). Almost 90% of your bodyâs serotonin supply is located in the digestive system and blood platelets.