Disorders of the Heart: Definition, Types, Treatment
by The heart is a vital organ responsible for pumping blood and ensuring the delivery of oxygen and nutrients throughout the body. Various disorders can affect …
Category: Unit 5
Electrocardiogram (ECG): Definition, Basic, Types
An electrocardiogram, commonly referred to as an ECG or EKG (from the German “Elektrokardiogramm”), is a non-invasive medical test that records the electrical activity of …
Regulation of Blood Pressure
Blood pressure is the force of blood pushing against the walls of the arteries as the heart pumps it around the body. Maintaining normal blood …
Cardiac Output and the Cardiac Cycle
Cardiac output and the cardiac cycle are fundamental concepts in cardiovascular physiology, describing how the heart functions to pump blood throughout the body. Understanding these …
Regulation of Heartbeat by the Autonomic Nervous System
The heartbeat is regulated by the autonomic nervous system (ANS), which maintains the balance between sympathetic and parasympathetic influences on the heart. This balance ensures …
Elements of the Cardiac Conduction System and Heartbeat
The heartbeat is a vital physiological function driven by the cardiac conduction system, a specialized network of cells and tissues in the heart. This system …
Blood Vessels: Definition, Types, and Functions
Blood vessels are a vital circulatory system component responsible for transporting blood throughout the body. They form a vast network of structures, from large arteries …
Circulation of Blood in the Heart
Blood circulation in the heart involves a complex and highly regulated process that allows blood to move efficiently, delivering oxygen and nutrients to body tissues …
Cardiovascular system: Definition, Components, and functions
The heart is a vital organ in the human body and is often described as a muscular pump responsible for circulating blood throughout the entire …