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Questions and Answers
Which of the following is not listed as an important function of the cardiovascular system?
Which of the following is not listed as an important function of the cardiovascular system?
- Regulate body temperature (correct)
- Transport nutrients
- Remove waste products
- Immunity
What are the primary components of blood?
What are the primary components of blood?
- Erythrocytes, Leucocytes, Plasma (correct)
- Erythrocytes, Lymphocytes, Plasma
- Thrombocytes, Erythrocytes, Plasma
- Erythrocytes, Lymphocytes, Thrombocytes
Where is the heart located?
Where is the heart located?
- Superior surface of the sternum, left of the midline
- Left of the midline, posterior to the sternum (correct)
- Right of the midline, anterior to the vertebrae
- Inferior surface of the diaphragm, anterior to the vertebrae
What do blood vessels transport besides blood?
What do blood vessels transport besides blood?
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What is the heart's primary function in the cardiovascular system?
What is the heart's primary function in the cardiovascular system?
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Study Notes
Importance of Cardiovascular System
- The cardiovascular system performs several crucial functions, including transporting nutrients and hormones, removing waste products, facilitating gaseous exchange, and providing immunity.
Blood Vessels and Their Functions
- Blood vessels are responsible for transporting blood, which carries oxygen, carbon dioxide, nutrients, and waste products throughout the body.
Heart and Blood Vessels
Blood Composition
- Blood consists of blood cells and plasma.
- There are three main types of blood cells: Erythrocytes (red blood cells), Leucocytes (white blood cells), and Thrombocytes (platelets).
Heart Structure and Location
- The heart is a 4-chambered, hollow, muscular organ, approximately the size of a fist.
- It is located in the thoracic cavity, superior to the diaphragm, left of the midline, anterior to the vertebrae, and posterior to the sternum.
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Test your knowledge of the cardiovascular system, including its functions, blood vessels, and blood composition.
