Venous Blood System (Noun)
Meaning
(zoology) the system of venous blood vessels in an animal.
Classification
Nouns denoting body parts.
Examples
- The venous blood system in fish is a complex network of vessels that return deoxygenated blood to the heart.
- In mammals, the venous blood system is a low-pressure system that relies on muscle contractions to pump blood back to the heart.
- The venous blood system in birds is highly efficient, with a network of valves that prevent backflow and ensure that blood flows in one direction.
- In reptiles, the venous blood system is often less complex than in mammals, with fewer vessels and less branching.
- The venous blood system in amphibians is adapted to their unique life cycle, with changes in blood flow and pressure that occur during metamorphosis.