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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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Question
Name these:
Two kinds of circulatory systems in different animals.
Very Short Answer
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Solution
The two kinds of circulatory systems in different animals are:
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Chapter 8: The Circulatory System - Review Questions [Page 112]
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RELATED QUESTIONS
The blood from the heart is transported to all parts of the body by the ______.
Draw the structure of a human heart and label its parts.
Name the following:
The blood vessels which start from capillaries and end in capillaries.
Note the relationship between the first two words and suggest a suitable word/words for the fourth place:
Coronary artery : Heart :: Hepatic artery : ______
Differentiate between members of the following pairs with reference to the aspect asked within bracket:
artery and vein (type of blood primarily flowing through)
Match the items in Column ‘A’ with those in column ‘B’ Rewrite the correct matching pairs.
| Column A | Column B | ||
| (a) | SA Node | (i) | Plasma |
| (b) | Defective haemoglobin in RBC | (ii) | Serum |
| (c) | Muscle fibres located in heart | (iii) | Pacemaker |
| (d) | The liquid squeezed out of blood during clotting | (iv) | Sickle cell anaemia |
| (e) | Never tires, keep on contracting and relaxing | (v) | Purkinje fibres |
| (f) | Cardiac cycle | (vi) | Cardiac muscle |
| (g) | Liquid part of the blood without corpuscles | (vii) | 0·85 sec |
what is Venule?
How do you account for the following difference?
The walls of the right ventricle are thicker than those of the right auricle.
Explain the structure and function of human blood.
Choose the correct alternative.
What is the minimum number of the plasma membrane that oxygen has to diffuse across to pass from air in the alveolus to haemoglobin inside a RBC?
