Water is an important transport and reaction medium
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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.
Learn more about Sympathetic nervous system on
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Answer:
A) birds have a large opening where the beak should be.
Explanation:
when scientists turn off the gene that makes beaks in birds, the birds have a mouth where no teeth are present. The birds have mouth because the bird resembles and closely related to the dinosaur. There are some proteins that is responsible for the occurrence of beak but when the genes are turn off these protein stop producing that leads to turn the beak place into mouth.
