7/27/2019 Biology Chapter 25-Circulatory System in Animals

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Biology Chapter 25: Circulatory System in Animals

1. The transport system in human beings is a circulatory system consists of _________________ and

_____________________.

2. The blood circulatory system consists of ______________, _______________, _____________ and

_______________, with _____________ as the main transport medium.

3. _______________ is a cone-shaped, hollow, muscular organ which acts as a pump.

4. The ______________________ encircle the heart and penetrate the heart muscles to provide oxygen and

nutrients to the heart; the _______________________ transports waste products formed to the heart.

5. The heart consists of four chambers:

6. _______________________ divides the ventricle into the left and right ventricle.

7. __________________ carries oxygenated blood from the left ventricle to the entire body.

8. __________________ carries oxygenated blood to the left atrium from the lungs.

9. ___________________________ carry deoxygenated blood from all parts of the body to the right atrium.

10. Blood is made up of ______________________ and _____________________.

11. In blood, the liquid portion is known as _________________.

12. There are 3 types of blood corpuscles:

13. Erythrocytes contain __________________ which gives blood its red colour. They are made in the

__________________.

14. ___ _____________ are the bodys first line of defence. They are colourless and do not carry oxygen.

15. Thrombocytes are formed from pieces of immature ______________ in the red bone marrow. Its function

is related to _________________.

16. When there is a wound, the tissues around the wound and thrombocytes release prothrombin to produce

________________. The fibrin threads combine with the blood corpuscles to form ________________.

17. When wrong blood group is given to a patient, it can cause death through _____________________.

7/27/2019 Biology Chapter 25-Circulatory System in Animals

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18. What are the four main types of blood group?

19. _________________ are present in the plasma of blood groups.

20. Which blood group is known as universal donor; which blood group is known as universal recipient?

21. State the functions of blood.

22. Blood vessels that carry blood away from the heart is known as ________________; blood vessels that

carry blood towards the heart is known as __________________.

23. they have thick and strong elastic walls, they have no valves, the blood pressure within is high

What kind of blood vessel is that?

24. Label Figure 1

Figure 1

25. Refer Figure 1, fill in the correct parts according to the descriptions.

a. Carries oxygenated blood from the lungs to the heart. ( )

b. Carries oxygenated blood from heart to all parts of body. ( )

c. Pumps oxygenated blood to aorta. ( )

d. Divides the left and right ventricle. ( )

e. Receives oxygenated blood from lungs. ( )

f. Carries deoxygenated blood from heart to lungs. ( )

A

B

CD

E

F

G

H