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Circulatory System

Your cardiovascular system and your lymphatic system collectively make up your circulatory system

Your circulatory system is an organ system that passes:

• Nutrients - such as amino acids and electrolytes
• Gases
• Hormones
• Blood cells

To and from cells in the body which:

• Help fight diseases
• Help stabilize body temperature and pH
• Help maintain homeostasis

Two types of fluids move through your circulatory system:

• Blood - blood - heart, and blood vessels form your cardiovascular system
• Lymph - Lymph, lymph nodes, and lymph vessels form your lymphatic system

The main components of your cardiovascular system is the heart and the blood vessels.[1] This includes:

• The pulmonary circulation - a loop through the lungs where blood is oxygenated
• The systemic circulation - a loop through the rest of the body to provide oxygenated blood
• Your blood consists of plasma, red blood cells, white blood cells, and platelets.

Your lymphatic system can be broadly divided into - the conducting system and the lymphoid tissue.

• The conducting system carries the lymph and consists of tubular vessels that include the lymph capillaries, the lymph vessels, and the right and left thoracic ducts.
• The lymphoid tissue is primarily involved in immune responses and consists of lymphocytes and other white blood cells enmeshed in connective tissue through which the lymph passes.

Your digestive system works with your circulatory system providing the nutrients your system needs to keep your heart pumping.

1 nlm.nih.gov

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