1. Describe how the heart as a muscle does its job of pumping blood. What happens if the cardiac muscle itself does not get enough blood?Using your knowledge of cardiac circulation, explain the flow of blood through the heart.2. What would cause Aunt May's weakness and shortness of breath during her sudden attack? 3. What is the job of the coronary arteries? What happens to their ability to do their job if they become narrowed by fatty or mineralized deposits? Braude, S., Goran, D., and Maxfield, S. 2011. Case Studies for Understanding the Human Body, 2nd Edition. Boston: Jonesand Bartlett Publishers. pp 51-53.Peter couldn't understand why his spider sense was tingling. His wife Mary Jane had forgiven him, yet again. Hisboss, Mr. Jameson, had given him back his job, yet again. And his nemesis, the Goblin, was trapped in a securevortex, yet again. Peter was shaken from his reverie as a musical chime replaced the tingling on his hips."Parker here.""Peter, where have you been? Aunt May is in the hospital again. She's had another heart attack."Mary Jane's voice had the familiar combination of concern and irritation."Sorry, I got stuck at work. I'll swing right over to the hospital."Pater's Aunt May embodies the essence of unconditional love and has become a beloved icon because of her bigheart. But to her cardiologist, a big heart is a dangerous sign of weakening cardiac muscle.

The heart is primarily composed of cardiac muscle tissue, which contracts rhythmically to pump blood…

Answered: Describe how the heart as a muscle does…

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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1. Describe how the heart as a muscle does its job of pumping blood. What happens if the cardiac muscle itself does not get enough blood? Using your knowledge of cardiac circulation, explain the flow of blood through the heart. 2. What would cause Aunt May's weakness and shortness of breath during her sudden attack? 3. What is the job of the coronary arteries? What happens to their ability to do their job if they become narrowed by fatty or mineralized deposits?

Braude, S., Goran, D., and Maxfield, S. 2011. Case Studies for Understanding the Human Body, 2nd Edition. Boston: Jones
and Bartlett Publishers. pp 51-53.
Peter couldn't understand why his spider sense was tingling. His wife Mary Jane had forgiven him, yet again. His
boss, Mr. Jameson, had given him back his job, yet again. And his nemesis, the Goblin, was trapped in a secure
vortex, yet again. Peter was shaken from his reverie as a musical chime replaced the tingling on his hips.
"Parker here."
"Peter, where have you been? Aunt May is in the hospital again. She's had another heart attack."
Mary Jane's voice had the familiar combination of concern and irritation.
"Sorry, I got stuck at work. I'll swing right over to the hospital."
Pater's Aunt May embodies the essence of unconditional love and has become a beloved icon because of her big
heart. But to her cardiologist, a big heart is a dangerous sign of weakening cardiac muscle.

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