Human Biology (MindTap Course List)
11th Edition
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cecie Starr, Beverly McMillan
Chapter7: Circulation: The Heart And Blood Vessels
Section: Chapter Questions
Problem 8SQ
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![The center involved in controlling the cardiovascular system is found in
the
thalamus.
O cerebral cortex.
heart.
O lungs.
O medulla.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6b6f3661-60c8-487c-baaf-50e4d2000cb0%2F3e30d1a5-943f-4ae8-b28f-af5e1c255c5b%2Fdx0bbj8_processed.png&w=3840&q=75)
Transcribed Image Text:The center involved in controlling the cardiovascular system is found in
the
thalamus.
O cerebral cortex.
heart.
O lungs.
O medulla.
![The greatest drop in blood pressure occurs across vessels that collectively
have the highest resistance. Which of the following category of vessels
has the highest resistance?
venules
O arterioles
arteries.
veins
O capillaries](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6b6f3661-60c8-487c-baaf-50e4d2000cb0%2F3e30d1a5-943f-4ae8-b28f-af5e1c255c5b%2Fo6g9vhg_processed.png&w=3840&q=75)
Transcribed Image Text:The greatest drop in blood pressure occurs across vessels that collectively
have the highest resistance. Which of the following category of vessels
has the highest resistance?
venules
O arterioles
arteries.
veins
O capillaries
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Human heart is myogenic that is it generates the signals for contraction itself. SA node is called the pacemaker and it generates the wave of contraction as well as maintain the heart beat. So because the wave is generated by heart itself it is called as myogenic.
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