After discovering that the shadows outside his window were only the trees in the yard,Ralph's blood pressure decreased and his heartbeat slowed.These physical reactions were most directly regulated by his
A) parasympathetic nervous system.
B) sympathetic nervous system.
C) somatic nervous system.
D) sensory nervous system.
Correct Answer:
Verified
Q223: The part of the peripheral nervous system
Q231: The two major divisions of the nervous
Q238: The somatic nervous system is a component
Q241: The strengthening of the brain's synaptic connections
Q243: The sympathetic and parasympathetic nervous systems work
Q244: Messages are transmitted from your spinal cord
Q248: The part of the central nervous system
Q249: The knee-jerk reflex is controlled by interneurons
Q255: An accelerated heartbeat is to a slowed
Q259: In a tragic diving accident,Andrew damaged his
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents