3 Questions
What are the two important points to consider when understanding capillary function?
Vasomotion and the extent or density of the capillary network
What determines the total surface area available for exchange between the blood and tissue?
The density of the capillary network
Which tissues have rich capillary networks?
Cardiac muscle and skeletal muscle
Study Notes
Capillary Function
- Two important points to consider when understanding capillary function are the exchange of substances and the regulation of blood pressure.
- The exchange of substances between the blood and tissue occurs through the capillary wall, which is semi-permeable, allowing certain substances to pass through while keeping others out.
Surface Area for Exchange
- The total surface area available for exchange between the blood and tissue is determined by the number of capillaries and the length of each capillary.
Tissues with Rich Capillary Networks
- Tissues with rich capillary networks include muscle tissue, renal cortex, and liver tissue, which require high levels of oxygen and nutrient delivery.
- These capillary networks allow for efficient exchange of substances between the blood and tissue, supporting the high metabolic demands of these tissues.
Test your knowledge on the functional aspects of capillaries with this cardio-histo quiz! Learn about the importance of vasomotion and capillary network density in regulating blood flow and exchange between blood and tissues. Enhance your understanding of cardiovascular physiology and ace your exams with this informative quiz.
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