In this article we will discuss about the anatomy of human heart with the help of suitable diagrams. The human heart is roughly heart-shaped structure and rests obliquely in the thoracic cavity (Fig. 7.3). The anterior surface of the human heart faces the sternum, the posterior surface—the base of the cone faces the vertebral column […]
Human Heart: Anatomy of Human Heart (With Diagram) | Biology
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Nerves of Human Heart and their Action (With Diagram) | Biology
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The regulation of the heart is effected through the afferent (centripetal) and efferent (centrifugal) nerves of the heart (Fig. 7.79). The afferent nerves are: i. From the heart through the vagus nerve and from the aortic arch, the aortic nerve. ii. From the heart through the inferior cervical and first four thoracic ganglia and first […]
Heart Rate of Humans: Mechanism and Factors (With Diagram) | Biology
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In this article we will discuss about:- 1. Normal Values of Heart Rate 2. Regulation of Heart Rate 3. Mechanism 4. Factors Affecting. Normal Values of Heart Rate: In adult males – 72 per minute, the range is from 70 – 80 per minute. In adult females-the rate is slightly higher than in males. Cause […]
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