Sympathetic nervous system under the Autonomic nervous system (ANS) is responsible for the physiological changes you experience when startled by a loud noise.
Autonomic nervous system (ANS) is part of the peripheral nervous system (PNS) and is responsible for control of vital functions.
ANS possesses three divisions, they are : Sympathetic nervous system (SYNS), parasympathetic nervous system and enteric plexus. Sympathetic nervous system is responsible for flight and fight responses.
SYNS also performs such tasks as relaxing the bladder, speeding up heart rate, and dilating eye pupils.
The ganglions associated with SYNS mostly arise from the thoracic and lumbar regions of the spinal cord.
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D because all the other answer are negative feedback
Staying awake for days in a row will cause a person to become less alert and maybe even less aware of their surroundings.
The suggest animal alive is a human beings
<h2>True </h2>
Explanation:
Blood types are determined by the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body
Some antigens can trigger a patient's immune system to attack the transfused blood, safe blood transfusions depend on careful blood typing and cross-matching
There are four major blood groups determined by the presence or absence of two antigens: A and B on the surface of red blood cells
In addition to the A and B antigens, there is a protein called the Rh factor, which can be either present or absent creating the 8 most common blood types which are A+,A-.B+,B-O+,O-,AB+,AB-
Blood type is inherited and it is determined by the blood type of both father and mother
Blood type helps in DNA fingerprinting and forensic science and plays an important role in determining blood relations or to identify the suspect
