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,...
Related questions
Question
a. Ventricular diastole
b. Throughout the cardiac cycle
c. Between cardiac cycles
d. Ventricular systole
Transcribed Image Text:The image shows an anatomical model of the human heart situated within the ribcage. It highlights several major blood vessels connected to the heart.
**Description of Key Elements:**
- **Heart:** Central organ in the image, depicted with detailed anatomy.
- **Red Vessels:** Indicate arteries, including the aorta, carrying oxygenated blood away from the heart.
- **Blue Vessels:** Indicate veins, likely the superior and inferior vena cava, bringing deoxygenated blood back to the heart.
- **Ribcage:** Provides structural context for the position of the heart and vessels.
**Educational Focus:**
The text accompanying the image asks: "Blood flow through the above vessels occurs during which phase of the cardiac cycle?"
The question pertains to understanding the cardiac cycle phases—systole and diastole—and how blood is pumped through the heart and vessels during these phases.
In the cardiac cycle:
- **Systole:** The heart contracts, pumping blood through the arteries (red vessels visible in the image).
- **Diastole:** The heart relaxes, allowing it to fill with blood from the veins (blue vessels visible in the image).
This depiction serves as a visual resource for students learning about cardiovascular physiology and the movement of blood through the heart during the cardiac cycle.
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