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Class 10 Science Practice Question Answers - Circulatory System

Fill in the blanks

1. Mineral which helps in formation of RBC's is _________.
2. Blood vessels without muscular walls are _________.
3. First heart sound is called _________.
4. Fishes have _________ chambered heart.
5. Amphibians have _________ chambered heart.
6. _________ heart pumps only deoxygenated blood.
7. Blood goes through the heart twice during each cycle is called _________.
8. High blood pressure is called _________.
9. The force that blood exerts against the wall of a vessel is called _________.
10. Contraction of heart chambers is called _________.
11. Relaxation of heart chambers is called _________.
12. _________ help in blood clotting.
13. White colored fluid other than blood which help in transportation is called _________.
14. Lymph carries digested and absorbed fat from _________.
15. Lymph drains excess fluid from extra cellular space back into _________.
16. Lymph drains into _________ for the intercellular spaces.
17. Lymphatic capilleries join to form _________.
18. Pumping organ in human body is _________.
19. Fluid medium of blood is called _________.
20. Oxygen is carried by the _________.
21. Blood platelets are also called _________.
22. Covering over heart is called _________.
23. _________ circulation is related with lungs.
24. The series of events which occur during one complete beat of the heart is known as _________ cycle.
25. The pressure wave transmitted all through the arterial system is known as _________.

Answer.
1. Iron 
2. Capillaries 
3. Lub 
4. Two
5. Three 
6. Fishes  
7. Double circulation  
8. Hypertension
9. Blood pressure 
10. Systole  
11. Diastole  
12. Platelets
13. Lymph  
14. Intestine  
15. Blood  
16. Lymphatic capillaries
17. Lymph vessels 
18. Heart 
19. Plasma  
20. RBC
21. Thrombocytes 
22. Pericardium 
23. Pulmonary  
24. Cardiac
25. PulseClass 10 Science Practice Question Answers - Circulatory System

Match the columns

Class 10 Science Practice Question Answers - Circulatory System

Answer.

1 → (e)
2 → (a)
3 → (b)
4 → (c)
5 → (d)
6 → (g)
7 → (f)
8 → (k)
9 → (i)
10 → (l)

True or False Statements

1. Vessels are able to contract and expand. (True)
2. While there is only one type of RBC, there are many white cell types. (True)
3. All animals have a system of vessels and tubes called a circulatory system. (True)
4. Blood is not a tissue because it is a fluid. (False)
5. Arteries are the widest blood vessels. (True)
6. Humans have an open circulatory system. (False)
7. The exchange of nutrients and waste products between the blood and cells occurs within the arteries. (False)
8. The liquid portion of the blood is called plasma. (True)
9. Living organisms must maintain a constant internal environment. (True)
10. Circulatory system also performs the function of homeostasis. (True)

The document Class 10 Science Practice Question Answers - Circulatory System is a part of the Class 10 Course Science Class 10.
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FAQs on Class 10 Science Practice Question Answers - Circulatory System

1. What is the process of transportation in human beings?
Ans. The process of transportation in human beings refers to the movement of substances such as oxygen, nutrients, hormones, and waste products throughout the body. It is facilitated by the circulatory system, which consists of the heart, blood vessels, and blood.
2. How does the circulatory system work in transportation?
Ans. The circulatory system works by pumping blood through the heart and blood vessels. The heart acts as a muscular pump, pushing oxygenated blood to the body's tissues and organs and receiving deoxygenated blood to be oxygenated again. The blood vessels, including arteries, veins, and capillaries, serve as the transportation network, allowing the blood to reach every cell in the body.
3. What are the main components of the circulatory system?
Ans. The main components of the circulatory system are the heart, blood vessels, and blood. The heart pumps and circulates the blood, the blood vessels provide the pathways for blood to travel, and the blood carries oxygen, nutrients, hormones, and waste products.
4. How does oxygen and nutrients reach cells in transportation?
Ans. Oxygen and nutrients reach cells through the process of blood circulation. Oxygen is carried by red blood cells, which bind to it and transport it to the cells. Nutrients, such as glucose, amino acids, and vitamins, are dissolved in the blood plasma and delivered to the cells through capillaries, the smallest blood vessels.
5. What is the role of the respiratory system in transportation?
Ans. The respiratory system plays a vital role in transportation by facilitating the exchange of gases, especially oxygen and carbon dioxide, between the body and the environment. Oxygen is inhaled through the nose or mouth, passes through the respiratory system, and enters the bloodstream, where it is transported to the cells. Carbon dioxide, a waste product, is released from the cells, enters the bloodstream, and is exhaled out of the body through the respiratory system.
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