English

Explain Diapedesis. - Biology

Advertisements
Advertisements

Question

Explain Diapedesis.

Advertisements

Solution

Diapedesis – Leucocytes, especially monocytes, migrate through the walls of the blood vessels. This process is called diapedesis. Leucocytes migrate to fight germs.

shaalaa.com
  Is there an error in this question or solution?
2013-2014 (March) Science Paper 3

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

Differentiate between members of the following pairs with reference to the aspect asked
within bracket:

Erythrocytes and leucocytes (function)


What is haemoglobin? State the consequences of deficiency of haemoglobin in our bodies. 


Fill in the blanks with suitable words given below: 

The carbon dioxide loaded blood from right ventricle is pumped into the lungs through ______.


Match the statements in Column A with those in Column B

Column A Column B
1 Heart a Movement of materials
2 Food and oxygen b Channels for transport in man
3 Carrier of oxygen c A living pump
4 Circulation d Materials needed by every living being
5 Arteries and veins e Red blood cells

What are seen as greenish blue lines in our hands and legs?


Why is circulatory system also known as transport system?


In what ways does the blood entering the kidney differ from that leaving the kidney?


In which of the following process blood neutrophils play an important role?


______ refers to a marked decrease in the number of platelets.


Given diagram is a schematic representation of the circulatory system in humans. Study the same and answer the questions that follow:

  1. Label the parts 1 and 4 indicated in the diagram.
  2. Which of the above mentioned number is the thickest artery? Also write its name.
  3. Mention the number and chamber of the heart which has the thickest muscular wall.
  4. Which of the above numbers/structures has the maximum number of blood capillaries?
  5. Draw neat and labelled diagrams of the transverse section of vena cava and the part numbered as 3. Make sure to show the structural differences between these two in the diagram.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×