HUMAN ANATOMY&ATLAS W/MASTERING A&P BUN
9th Edition
ISBN: 9780134769516
Author: Martini
Publisher: PEARSON
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Chapter 21, Problem 7RFT
Summary Introduction
To review:
Match the term myocardium with the most closely related descriptions given below:
Vein to the left atrium
Covers outer surface of the heart
Supplies blood to heart muscle
Lines inner surface of fibrous pericardium
Slow heart rate
Functional syncytium
Muscular wall of the heart
Relaxation phase of the cardiac cycle
Vein to the right atrium
Contraction phase of the cardiac cycle
Introduction:
The heart is the prime organ of the circulatory system, which is divided into four chambers in humans. The heart pumps blood continuously without resting. The immense pressure needs to be sustained, which is provided by its walls that surround this delicate organ.
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Chapter 21 Solutions
HUMAN ANATOMY&ATLAS W/MASTERING A&P BUN
Ch. 21 - Match each numbered item with the most closely...Ch. 21 - Prob. 2RFTCh. 21 - Prob. 3RFTCh. 21 - Prob. 4RFTCh. 21 - Prob. 5RFTCh. 21 - Match each numbered item with the most closely...Ch. 21 - Prob. 7RFTCh. 21 - Prob. 8RFTCh. 21 - Prob. 9RFTCh. 21 - Match each numbered item with the most closely...
Ch. 21 - The potential space between the parietal and...Ch. 21 - Prob. 12RFTCh. 21 - Which of the following is not true of intercalated...Ch. 21 - Prob. 14RFTCh. 21 - The pacemaker cells of the heart are located in...Ch. 21 - Prob. 16RFTCh. 21 - Prob. 1RCCh. 21 - If the papillary muscles fail to contract, (a)...Ch. 21 - Prob. 3RCCh. 21 - Prob. 4RCCh. 21 - Prob. 5RCCh. 21 - Define a pacemaker cell, and list the group of...Ch. 21 - Prob. 7RCCh. 21 - Prob. 8RCCh. 21 - Why are nodal cells unique? What is their...Ch. 21 - Prob. 10RCCh. 21 - Prob. 1CTCh. 21 - 2. Lee is brought to the emergency room suffering...Ch. 21 - Prob. 3CT
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- What anatomical feature prevents the electrical signal from traveling directly from atrial muscle to ventricular muscle?arrow_forwardWhat is the functional significance of the difference in thickness between the wall of the aorta and the wall of the pulmonary trunk?arrow_forwardHow is the return of venous blood to the heart accomplished?arrow_forward
- In a developing chicken embryo, from which layer of the hypomere is the endocardium and epimyocardium derived? How many ventricles are present at the 72-hour stage?arrow_forwardWhere does anatomic shunt exist?arrow_forwardHow many pulmonary arteries and veins attached to the heart? What is the function of the pulmonary circulation?arrow_forward
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