BIOD 152 Module 4
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BIOD 152 Module 4
- Why is the cardiovascular system a closed circulatory system?
Answer: the fluid contents are pumped from the heart throughout the body and back to the heart
- What are some functions of the cardiovascular system?
Answer:
-Transportation of gases, nutrients waste -prevents loss of blood from ruptured vessels -helps fight off pathogens
- What does the study of the cardiovascular system cover?
Answer:
-muscular heart -blood vessels -blood
- Where is the heart located?
Answer: Pericardial cavity within anterior portion of the mediastinum
- What separates the thoracic cavity into 2 pleural cavities?
Answer: mediastinum
- Layers of the heart
Answer:
-pericardium: double layered, surrounded by fluid
-myocardium: thickest layer
-endocardium: continuous with blood vessels
- What anchors the heart to the diaphragm?
Answer: pericardium
- Which layer of the heart wall is the contractile layer
Answer: Myocardium
- 4 chambers of the heart
Answer:
-right & left atrium: receiving chamber, smaller
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