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Circulatory System Overview

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Questions and Answers

What are the two divisions of the circulatory system?

systemic circulation or circuit, and pulmonary circulation or circuit

What are the components of blood?

plasma, red blood cells, white blood cells, and platelets

What are the main organs included in the blood circulatory system?

heart, blood vessels, and blood

What is the meaning of the term 'cardiovascular system'?

heart and blood vessels Signup and view all the answers

What type of circulatory system do vertebrates have?

closed circulatory system Signup and view all the answers

Which organisms lack a circulatory system?

Diploblasts such as sponges, and comb jellies Signup and view all the answers

What are the circulated nutrients in the circulatory system?

Proteins and minerals Signup and view all the answers

What are the components included in the circulatory system?

Hemoglobin, hormones, and gases such as oxygen and carbon dioxide Signup and view all the answers

What does the lymphatic system carry away from the body tissues?

Excess plasma as lymph Signup and view all the answers

What is the lymphatic system complementary to in vertebrates?

The circulatory system Signup and view all the answers

What is the lymphatic system essential for in the functioning of the blood circulatory system?

Preventing the blood from becoming depleted of fluid Signup and view all the answers

What do cardiologists specialize in?

The heart Signup and view all the answers

What do cardiothoracic surgeons specialize in operating on?

The heart and its surrounding areas Signup and view all the answers

What do vascular surgeons focus on?

Disorders of the blood vessels, and lymphatic vessels Signup and view all the answers

What are the two major circuits into which the circulatory system is divided?

Pulmonary circulation and systemic circulation Signup and view all the answers

What is the average adult's blood volume in quarts?

Five to six quarts Signup and view all the answers