Advertisements
Advertisements
प्रश्न
Write the features that distinguish between the two.
Open and Closed circulatory system
उत्तर
| Open circulatory system | Closed circulatory system |
| 1. Blood pumped by heart passes through large vessels into open spaces or body cavities called sinuses | 1. Blood pumped by the heart is always circulated through a closed network of blood vessels |
| 2. Less advantageous | 2. More advantageous |
| 3. Flow of fluid cannot be more precisely regulated | 3. Flow of fluid can be more precisely regulated |
| 4. It is present in arthropods molluscs, and hemichordates | 4. It is found in annelids and chordates |
APPEARS IN
संबंधित प्रश्न
Sino-atrial node is called the pacemaker of our heart. Why?
What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning of heart?
A patient’s chart reveals that he has a cardiac output of 7500 mL per minute and a stroke volume of 50 mL. What is his pulse rate (in beats/min)
At any given time there is more blood in the venous system than that of the arterial system. Which of the following features of the veins allows this?
Distinguish between mitral valve and semi lunar valve.
Select the correct biological term.
Destroyed in the liver and spleen after circulating in the blood for four months.
Which among the followings is correct during each cardiac cycle?
Read the following statements and choose the correct option
Statement 1: Atria receive blood from all parts of the body which subsequently flows to ventricles.
Statement 2: Action potential generated at sino-atrial node passes from atria to ventricles.
Write the features that distinguish between the two.
Sino-atrial node and Atrio-ventricular node
Answer the following:
What is specific in the heart of crocodiles among reptilians?
