Questions and Answers
What is the term for the two divisions of the circulatory system?
Systemic circulation and pulmonary circulation
What does it mean for the circulatory system to be closed in vertebrates?
The blood never leaves the network of blood vessels
What type of circulatory system do some invertebrates, such as arthropods, have?
Open circulatory system
What does the cardiovascular system consist of?
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What are the great vessels of the heart that are part of the network of blood vessels?
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Study Notes
Circulatory System Divisions
- The two divisions of the circulatory system are the pulmonary circulation and the systemic circulation.
Closed Circulatory System in Vertebrates
- In vertebrates, the circulatory system is closed, meaning that the blood is contained within blood vessels and is circulated throughout the body in a closed loop.
Open Circulatory System in Invertebrates
- Some invertebrates, such as arthropods, have an open circulatory system, where the fluid (hemolymph) bathes the internal organs directly.
Cardiovascular System Components
- The cardiovascular system consists of the heart, blood vessels, and blood.
Great Vessels of the Heart
- The great vessels of the heart are the aorta, pulmonary arteries, and pulmonary veins, which are part of the network of blood vessels that transport blood throughout the body.
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