Human Circulatory system

(a) What is meant by human circulatory system ? Name the organs of the circulatory system in human (b) Draw a diagram of the human heart and lebel its parts (c) What is mean tby the terms 'single circulation' and 'double cirulation '?

Read the following statements regarding the human circulatory system. A . The systemic circulation provides nutrients , oxygen, and other essential substances to all the tissues including the lungs. B. A unique vascular connection exists between the digestive tract and the liver is called the hepatic portal system.

Which one of the following statements is correct about the human circulatory system? (A) Blood transports only oxygen and not carbon dioxide. (B) Human heart has five chambers. (C) Valves ensure that the blood does not flow backwards. (D) Both oxygen-rich and oxygen-deficient blood gets mixed in the heart.

Name the main organs of the system Circulatory system

The functioning of circulatory system in human was first discovered by

Assertion : Closed circulatory system is less efficient than open circulatory system Reason : The blood flow is slow is closed circulatory system than in open circulatory system.

Frog respiratory system || circulatory system