BIOMOLECULES AND ENZYMES

BIOLOGY

HORMONES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Up to 90 percent of this hormone is produced in the intestine
A
Serotonin
B
Oxytocin
C
Dopamine
D
Cortisol
Explanation: 

Detailed explanation-1: -Serotonin (5-hydroxytryptamine; 5-HT) is best known as a neurotransmitter critical for central nervous system (CNS) development and function. 95% of the body’s serotonin, however, is produced in the intestine where it has been increasingly recognized for its hormonal, autocrine, paracrine, and endocrine actions.

Detailed explanation-2: -Most of the serotonin found in your body is in your gut (intestines). About 90% of serotonin is found in the cells lining your gastrointestinal tract. It’s released into your blood circulation and absorbed by platelets. Only about 10% is produced in your brain.

Detailed explanation-3: -Gut bacteria also produce hundreds of neurochemicals that the brain uses to regulate basic physiological processes as well as mental processes such as learning, memory and mood. For example, gut bacteria manufacture about 95 percent of the body’s supply of serotonin, which influences both mood and GI activity.

Detailed explanation-4: -In the central nervous system (CNS), serotonin is almost exclusively produced in neurons originating in the raphe nuclei located in the midline of the brainstem. These serotonin-producing neurons form the largest and most complex efferent system in the human brain.

Detailed explanation-5: -Serotonin is a chemical nerve cells produce, and it sends signals between your nerve cells. Serotonin is found in many parts of your body: in your digestive system, blood platelets, and throughout the central nervous system. It’s also thought to play a role in regulating your mood.

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