5 Questions
What is the main function of the circulatory system?
To circulate blood carrying oxygen and nutrients to the tissues
Which two organs make up the cardiovascular system?
Heart and blood vessels
What is the term used for the division of the circulatory system responsible for carrying blood from the heart to the body and back to the heart?
Systemic circulation or circuit
In which type of animals is the circulatory system open, allowing the blood to leave the network of blood vessels?
Invertebrates such as arthropods
What are the components of blood?
Plasma, red blood cells, white blood cells, and platelets
Study Notes
Circulatory System Overview
- The main function of the circulatory system is to transport oxygen and nutrients to cells and remove waste products.
Cardiovascular System
- The cardiovascular system consists of two main organs: the heart and blood vessels.
Circulatory System Divisions
- The circulatory system is divided into two main parts: the systemic circulation, which carries blood from the heart to the body and back to the heart, and pulmonary circulation, which carries blood from the heart to the lungs and back to the heart.
Open Circulatory System
- In invertebrates, such as insects, mollusks, and some worms, the circulatory system is open, allowing the blood to leave the network of blood vessels.
Blood Composition
- Blood is composed of several components, including plasma, red blood cells, white blood cells, and platelets.
Test your knowledge on the vital system that circulates blood throughout the body, including the heart, blood vessels, and its two divisions: systemic circulation and pulmonary circulation.
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