-
Open Circulatory System – Blood flows freely through open spaces or sinuses, rather than being confined to vessels. Example: Arthropods (insects) and mollusks.
-
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).
Advertisements
Advertisements
Question
Name these:
Two kinds of circulatory systems in different animals.
Advertisements
Solution
The two kinds of circulatory systems in different animals are:
APPEARS IN
RELATED QUESTIONS
Describe the function of the heart.
The nearest organ to which the heart supplies oxygenated blood is:
Angina pectoris is due to
The chief function of lymph nodes is to
What does the term “double circulation” mean?
During surgical operations or during accidents, the patient may be given blood from outside to save his life. What is the technical name of this process? Briefly explain the precautions to be taken in this process.
Given below is the simplified pathway of the circulatory system:
(i) Name the blood vessels marked 1 to 8.
(ii) Name the chamber of the heart which:
(a) Receives blood from ‘1’.
(b) Pumps blood into blood vessel ‘8’.
(iii) Mention two structural differences between blood vessels ‘7’ and ‘2’.
Thin tube-like structures which are the component of circulatory system are called blood vessels.
Which of the following is TRUE regarding leucocytosis?
In a closed circulatory system, blood is completely enclosed within:
