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Open Circulatory System – Blood flows freely through open spaces or sinuses, rather than being confined to vessels. Example: Arthropods (insects) and mollusks.
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Closed Circulatory System – Blood remains within a network of vessels (arteries, veins, and capillaries) throughout the body. Example: Vertebrates (humans, fish, amphibians) and annelids (earthworms).
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प्रश्न
Name these:
Two kinds of circulatory systems in different animals.
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उत्तर
The two kinds of circulatory systems in different animals are:
संबंधित प्रश्न
Explain Pulse
Agranulocytes are :
What are the average values of blood pressure in a normal adult human?
Given below is a highly schematic diagram of the human blood circulatory system.
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- Which part (state the number) represents the heart? Give reason in support of your answer.
- Which numbers represent the following, respectively?
Aorta Superior vena cava Hepatic portal vein Renal Vein Pulmonary artery Stomach
Fill in the blanks with suitable words given below:
The two lower chambers of the heart are called ______.
Define the Circulatory system.
Complete the following sentence with appropriate word:
The chamber of heart which pumps blood into aorta is __________.
Describe how the exchange of oxygen and carbon dioxide gases takes place in the lungs.
Blood is produced in the bone marrow.
Which of the following is TRUE regarding closed circulatory system?

