Question

Тип кровоносної системи у хребетних тварин?​

Answer 1

Ответ:

є два типи незамкнена й замкнена

Answer 2

Types of Circulatory Systems in Vertebrates

In vertebrates, the type of circulatory system can vary. There are two main types of circulatory systems found in vertebrates: closed circulatory system and open circulatory system.

Closed Circulatory System: - In a closed circulatory system, blood is contained within vessels and is distinct from the interstitial fluid. This type of system is found in more complex vertebrates, including humans. - The blood flows through a network of vessels and is pumped by a heart. This allows for efficient and rapid transport of oxygen, nutrients, and waste products throughout the body. - Vertebrates with closed circulatory systems include mammals, birds, and some reptiles.

Open Circulatory System: - In an open circulatory system, the blood is not always contained within vessels and can come into direct contact with the body's cells and tissues. - This type of system is found in less complex vertebrates, such as arthropods (e.g., insects and crustaceans) and some mollusks. - The blood, known as hemolymph, bathes the organs directly and is pumped by a simple heart or pulsating vessel.

Comparison: - The closed circulatory system provides more efficient and rapid transport of substances throughout the body due to the blood being contained within vessels. - In contrast, the open circulatory system is less efficient in terms of rapid transport but is simpler in structure and function.