Structure and function of the Human Cardiovascular System | Britannica

Organs of Circulatory System and Their Functions

The Function of the Circulatory System Lesson for Kids

Circulatory Diseases and Disorders

13.32: Circulatory System Diseases

Smart Doctor on Instagram: "Female Anatomy: The Immense Secrets Within ✨ . . The human heart is a vital organ that pumps blood throughout the body, supplying oxygen and nutrients while removing carbon dioxide and waste products. Here are some key points about the human heart: Anatomy: The heart has four chambers: two upper atria and two lower ventricles. The right side pumps deoxygenated blood to the lungs, while the left side pumps oxygenated blood to the rest of the body. Valves: There are fou