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What does dopamine do for the brain?
Dopamine is a Neurotransmitter as well as a Neurohormone. Its secretion is linked to increased heart rate and blood pressure. As released by the hypothalamus, it acts as an inhibitory hormone which stops the anterior pituitary gland from releasing prolactin. The lack of this Neurotransmitter causes several conditions, the most well known being Parkinson's Disease. An excess of this neurotransmitter has been linked with several psychiatric conditions such as schizophrenia, autism, and ADHD.
What neurotransmitter makes you feel happy?
The neurotransmitter that makes you feel happy is serotonin. It is known for its role in regulating mood, emotions, and overall sense of well-being. Imbalances in serotonin levels have been linked to conditions such as depression and anxiety.
Which germ layer produces the nerves and sense organs of animals?
The Ectoderm
Neurotransmitter most related to fear and arousal?
Norepinephrine (NE) is the neurotransmitter often associated with the "fight or flight" response to stress. Strongly linked to physical responses and reactions, it can increase heart rate and blood pressure as well as create a sense of panic and overwhelming fear/dread. This neurotransmitter is similar to adrenaline and is felt to set threshold levels to stimulation and arousal. Emotionally, anxiety and depression are related to norepinephrine levels in the brain, as this neurotransmitter seems to maintain the balance between agitation and depression.
What is a antonym for drowsy?
An antonym for "drowsy" is "alert." While drowsy describes a state of sleepiness or lethargy, alert conveys a sense of wakefulness and readiness. Other possible antonyms include "awake" and "vigilant."
The neurotransmitter most likely produced when a person uses a drug that creates a sense of well-being is?
Most likely Dopamine which in excess accumulated in the brain cause schizophrenia.
Is an oak tree a fruit tree?
Not in the sense that it produces fruit for use by man as an apple or pear. It produces a fruit called an acorn which is in fact its seed.
If cancer cells are foreign and harmful to our body how come our immune system doesn't fight it?
Yes our immune system does fight it. These are the NK cells. NK cells naturally present Inhibitory R and NK R. Target cells do not present MHC but present the ligand for NKR. So although lignad on NK binds to NKR, there is no MHC to interact with inhibitory R. So NK cells do not receive inhibitory signal and attacks the cell (e.g. cancerous cell). But at times there may be cancer cells undetected, which is why our immune system can't 'sense' it.
Which neurotransmitter helps your body return to normal after the stress response?
The neurotransmitter that helps the body return to normal after the stress response is called serotonin. It plays a role in regulating mood, sleep, and appetite, which are often affected by stress. Serotonin helps to counterbalance the effects of stress hormones like cortisol, promoting relaxation and a sense of well-being.
Do produces make profit In US?
As stated, this question makes no sense. I suspect it was submitted by someone whose first language is not English. In order to answer it, at the very least, a definition of "produces" would be required (as it stands, the word "produces" is a verb).
Who carries messages from the sense organs to the central nervous system?
other nerve cells... The brain is made up of nerve cells (also called neurons). There are neurons both in the central nervous system (the brain and spinal cord) and the peripheral nervous system. The communication between neurons occurs with release of neurotransmitters (chemicals that affect the surface of neurons). The release of neurotransmitters occurs when an electrical impulse travels down the neuron and causes the neuron to "fire" off neurotransmitter. This electrical impulse is called an "action potential." The release of neurotransmitter can have one of two possible effects on the "receiving" neuron, depending on which neurotransmitter binds with which neuron. It can make the receiving neuron either more likely to fire (excitatory) or less likely to fire (inhibitory). The result of this activity in billions of neurons creates quite a symphony, including everything we call thought.
What is a passing source of physical energy that produces a response in a a sense organ?
Light is a passing source of physical energy that can produce a response in the sense organ of the eye, leading to visual perception.
