Question
Write the differences between
Open and closed circulatory system
Solution
|
Open circulatory system |
Closed circulatory system |
|
1. In this blood is not confined to blood vessels. 2. Blood pressure is low. 3. Blood flows with a slow speed. 4. Blood is in the direct contact with the tissue of the body. Examples : Arthropods, Molluscs. |
1. In this blood flows in blood vessels, capillaries etc. 2. High blood pressure is found. 3. Blood flows with a fast speed. 4. Blood is not in direct contact with the tissues. Example : Vertebrates. |
