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BIO 202 STRAIGHTERLINE CHAPTER 20 WITH 100- CORRECT ANSWERS
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the major functions of the heart: -generation of blood pressure -routing of the blood -ensuring one-way blood flow -regulation of the blood supply The adult heart is roughly the size of clenched fist an average mass of 250g in females, 300 g in males the rounded point of the hea...

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  • August 6, 2024
  • 29
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • bio 202 straighterline chapter 20

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  • Straighterline MAT
  • Straighterline MAT

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BIO 202
STRAIGHTERLINE
CHAPTER 20
WITH 100%
CORRECT
ANSWERS
the major functions of the heart: - answer -
generation of blood pressure
-routing of the blood
-ensuring one-way blood flow
-regulation of the blood supply


The adult heart is roughly the size of - answer
clenched fist
an average mass of 250g in females, 300 g in
males

,the rounded point of the heart is called - answer
the apex


the larger, flat part of the heart is called - answer
the base


The heart is located in the - answer Mediastinum
of the thoracic cavity


Effective cardiopulmonary resuscitation - answer
also depends on a reasonable knowledge of the
position of the heart.


pericarditis - answer inflammation of the
pericardium


cardiac tamponade - answer is a potentially fatal
condition in which a large volume of fluid or blood
accumulates in the pericardial cavity and
compresses the heart from the outside.


pericardium (pericardial sac) - answer is a double-
layered, closed sac that surrounds the heart. It
consists of the fibrous pericardium and the serous
pericardium.

, the pericardium consists of two layers: - answer
outer fibrous pericardium nd inner serous
pericardium


parietal pericardium - answer outer layer of the
pericardium


visceral pericardium (epicardium) - answer covers
the heart's outer surface (ON the surface)


pericardial cavity - answer surrounds the heart


pericardial fluid - answer serous fluid between
parietal & visceral pericardium; reduces friction
when heart beats


The heart wall is composed of three layers of
tissue - answer (1) the epicardium, (2)
myocardium, and (3) endocardium


The epicardium or visceral pericardium - answer is
the superficial layer of the heart wall. It is a thin
serous membrane that constitutes the smooth,
outer surface of the heart.

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