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Adrenaline (epinephrine) is a hormone released from the adrenal glands and its major action, together with noradrenaline, is to prepare the body for fight-or-flight.

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Norepinephrine is known as what kind of messenger?

Norepinephrine is known as a neurotransmitter and a hormone. It plays a key role in the "fight or flight" response by increasing heart rate, constricting blood vessels, and dilating air passages.


What neurotransmitter causes low blood pressure?

The neurotransmitter epinephrine can cause the blood pressure to become low. This neurotransmitter also regulated the heart rate. It is often controlled by stress.


Is histamine a neurotransmitter?

Histamine is a neurotransmitter produced by basophils (a type of white blood cell).


Neurotransmitter that causes an individual to feel more alert?

The neurotransmitter that causes an individual to feel more alert is norepinephrine. It plays a key role in the body's fight-or-flight response, increasing heart rate, blood flow to muscles, and overall alertness.


What mediator is considered to be both a neurotransmitter and a hormone?

Norepinephrine is a mediator that acts as both a neurotransmitter in the central and peripheral nervous system and as a hormone in the bloodstream. It plays a role in various functions including regulating heart rate, blood pressure, and the body's fight or flight response.


Neurotransmitter released in response to stress?

The primary neurotransmitter released in response to stress is norepinephrine. It activates the body's "fight or flight" response, increasing heart rate, blood pressure, and alertness to help cope with the stressful situation.


Why is the body's response during the first stage of stress called the flight-or-flight response?

blood pressure increases hormones are released


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 compound in blood acting as neurotransmitter which contributes to feelings of happiness and well-being?

Dopamine is a compound in blood that acts as a neurotransmitter and contributes to feelings of happiness and well-being. It is associated with motivation, pleasure, and reward.


What type of blood vessel is blood pressure highest in?

Blood pressure is highest in arteries, specifically in the large arteries like the aorta, as they receive blood from the heart during systole and distribute it throughout the body. This high pressure enables the blood to reach all tissues and organs efficiently.


Which animal has the highest blood pressure?

The giraffe has the highest blood pressure of any animal, reaching levels around 280/180 mmHg during times of stress. This is necessary to maintain blood flow to their brain against the force of gravity on their long neck.


In which type of blood vessel is blood at its highest blood pressure?

Aorta has highest pressure. Pressure gradually decreases as blood moves towards heart.