The Triangle of the Circulatory System
- cataplt
- Mar 4
- 1 min read
Heart, Vessels, and Blood

The triangle of Heart, Vessels, and Blood forms the foundation of the circulatory system, a vital network responsible for delivering oxygen, nutrients, and hormones throughout the body while removing waste. Together, these components sustain life and ensure optimal function.
Heart: The heart is the central pump, propelling blood through the vessels with rhythmic contractions. This muscular organ ensures that oxygenated blood reaches tissues and deoxygenated blood is sent to the lungs for replenishment.
Vessels: Blood vessels—arteries, veins, and capillaries—serve as the pathways for blood circulation. Arteries carry oxygen-rich blood from the heart, veins return deoxygenated blood, and capillaries enable the exchange of oxygen, nutrients, and waste at the cellular level.
Blood: Blood is the life-sustaining fluid, transporting oxygen, nutrients, hormones, and waste. It also regulates temperature, defends against infections, and aids in healing.
Balancing heart, vessels, and blood ensures the circulatory system functions efficiently to support life.
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