Answered: The heart is found within the: A.…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Related questions

Question

The heart is found within the:

A. pleural cavity

B. mediastinum

C. peritoneal cavit

Expert Solution

Step 1

Heart

Heart is a mesodermal origin. Heart is protected by a double walled pericardium membrane filled with pericardium fluid which protects the heart and reduces friction between the layers.

Size of heart :- It is the size of a clenched fist(curl fingers of hand tightly). At early age heart size is the same as the clenched fist size but at adults it is slightly larger than the clenched fist. Weight is 250-300 gram.

Shaped :- It is shaped like an inverted cone or upper side down pear shaped.

Function of heart

It pumps oxygenated blood from the heart to the other body part. And it also receives deoxygenated blood from tissue and cell and pumps into the heart
It is also responsible for the maintenance of blood pressure.