Circulation in Animals

The video explains the circulatory system, highlighting its functions: transportation, regulation, and protection. It covers the components of blood and lymph, the structure of blood vessels, and the heart's role in circulation. The video also distinguishes between open and closed circulatory systems, and describes single and double circulation in animals.

What are the three main functions of the circulatory system?

How does the circulatory system protect the body?

What distinguishes blood from lymph in the circulatory system?

What are the main types of blood vessels and their functions?

Describe the structure of blood vessels and their layers.

What is the difference between open and closed circulatory systems?

Explain the concept of double circulation in mammals.