Definition

1. Noun:
   • The cardiovascular system is the biological system in the body responsible for circulating blood. It consists of the heart, which pumps the blood, and the blood vessels (arteries, veins, and capillaries), which carry the blood to and from all parts of the body. Its primary functions are to transport oxygen, nutrients, hormones, and cellular waste products.

Usage

• The term cardiovascular system is used in medical, biological, and health contexts to describe the integrated structure and function of the heart and circulatory network.
• It is often discussed in relation to health, disease, exercise, and anatomy.

Examples

• Noun:
  • Regular exercise strengthens the cardiovascular system.
  • A blockage in an artery is a serious problem for the entire cardiovascular system.
  • The doctor explained how high blood pressure affects the cardiovascular system.

Advanced Usage

• The cardiovascular system is frequently contrasted with other bodily systems, such as the respiratory system (which provides the oxygen) or the lymphatic system (which circulates lymph).
• In medical terminology, it is synonymous with the circulatory system, though some definitions distinguish the cardiovascular system (blood) from the lymphatic component of the circulatory system.

Variants and Related Words

• Circulatory system (n): Often used interchangeably with cardiovascular system.
• Cardiovascular (adj): Relating to the heart and blood vessels. (e.g., , ).

Synonyms

• Circulatory system
• Blood-vascular system

Related Terms and Concepts

• Heart (n): The muscular organ that pumps blood through the cardiovascular system.
• Blood vessel (n): A tubular structure (artery, vein, capillary) that carries blood as part of the cardiovascular system.
• Circulation (n): The movement of blood through the cardiovascular system.

Noun

1. the organs and tissues involved in circulating blood and lymph through the body