Connective tissue - Exercise - Tissues - Class 9 - Science Class 9 Notes | EduRev

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Class 9 : Connective tissue - Exercise - Tissues - Class 9 - Science Class 9 Notes | EduRev

 Page 2


 
  
CONNECTIVE TISSUE 
 
? In biology, unit of life is called as a cell whereas a tissue is a 
cellular assembly which is intermediate between cells and a 
complete organ. Hence a tissue is a group of similar cells from 
the same origin which together carry out a specific function. 
Further grouping of these tissues forms an Organ. 
 
? The human body is made up of 4 types of tissues: muscular 
tissue, epithelial tissue, connective tissue and nervous tissue. 
 
? The cementing material in our body which helps to bind the 
body together and connect all the organs and parts of the body 
is called as connective tissue.   
 
? The cells that make up this tissue are present in a gel-like 
substance called medium or matrix which forms the main 
bulk of the connective tissue.   
 
? The tissue that connects two bones is called a ligament and 
the one which connects muscles to the bones is called as 
tendon. Both of these are a type of dense connective tissue. 
 
? The skin is connected to our muscles with a type of connective 
tissue which is loose and hence this tissue gets its name as an 
areolar or loose connective tissue. 
Page 3


 
  
CONNECTIVE TISSUE 
 
? In biology, unit of life is called as a cell whereas a tissue is a 
cellular assembly which is intermediate between cells and a 
complete organ. Hence a tissue is a group of similar cells from 
the same origin which together carry out a specific function. 
Further grouping of these tissues forms an Organ. 
 
? The human body is made up of 4 types of tissues: muscular 
tissue, epithelial tissue, connective tissue and nervous tissue. 
 
? The cementing material in our body which helps to bind the 
body together and connect all the organs and parts of the body 
is called as connective tissue.   
 
? The cells that make up this tissue are present in a gel-like 
substance called medium or matrix which forms the main 
bulk of the connective tissue.   
 
? The tissue that connects two bones is called a ligament and 
the one which connects muscles to the bones is called as 
tendon. Both of these are a type of dense connective tissue. 
 
? The skin is connected to our muscles with a type of connective 
tissue which is loose and hence this tissue gets its name as an 
areolar or loose connective tissue. 
? The bone cells are present in a medium which has calcium 
and phosphorus due to which its appearance is strong and 
hard. Hence bone is a type of skeletal connective tissue. 
 
? The special type of connective tissue which is filled with the fat 
globules is called adipose tissue. 
 
? The blood flows through your entire body and acts as 
transporter of oxygen hence blood is a fluid connective tissue. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Page 4


 
  
CONNECTIVE TISSUE 
 
? In biology, unit of life is called as a cell whereas a tissue is a 
cellular assembly which is intermediate between cells and a 
complete organ. Hence a tissue is a group of similar cells from 
the same origin which together carry out a specific function. 
Further grouping of these tissues forms an Organ. 
 
? The human body is made up of 4 types of tissues: muscular 
tissue, epithelial tissue, connective tissue and nervous tissue. 
 
? The cementing material in our body which helps to bind the 
body together and connect all the organs and parts of the body 
is called as connective tissue.   
 
? The cells that make up this tissue are present in a gel-like 
substance called medium or matrix which forms the main 
bulk of the connective tissue.   
 
? The tissue that connects two bones is called a ligament and 
the one which connects muscles to the bones is called as 
tendon. Both of these are a type of dense connective tissue. 
 
? The skin is connected to our muscles with a type of connective 
tissue which is loose and hence this tissue gets its name as an 
areolar or loose connective tissue. 
? The bone cells are present in a medium which has calcium 
and phosphorus due to which its appearance is strong and 
hard. Hence bone is a type of skeletal connective tissue. 
 
? The special type of connective tissue which is filled with the fat 
globules is called adipose tissue. 
 
? The blood flows through your entire body and acts as 
transporter of oxygen hence blood is a fluid connective tissue. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Questionnaire 
A) Fill in the blanks. 
 
1) There’s a cementing material in our body in the form of a special tissue 
which helps to bind the body together and connect all the organs and 
parts of the body this is named as ______.   
a) Cells  
b) Connections 
c) Connective tissue 
d) Tissue 
2) Tissues are made up of cells and are present in a gel-like substance 
called ______ which forms the main bulk of the connective tissue. 
a) Matrix 
b) Fluid 
c) Medium 
d) Both a & c   
3) An adult human body has ______ bones. 
a) 320 
b) 106 
c) 206 
d) None of the above 
4) _______is the largest organ in the human body. 
a) Kidney 
b) Liver 
c) Heart 
d) Skin 
5) Bone cells are present in a medium which has _______ and _______ which 
makes a bone strong and hard in appearance. 
a) Calcium, Potassium 
b) Calcium, Phosphorus 
c) Sodium, Potassium 
d) Sodium, Phosphorus 
B) Identify the labelled part and describe it in one line  
1)  
 
 
 
 
Page 5


 
  
CONNECTIVE TISSUE 
 
? In biology, unit of life is called as a cell whereas a tissue is a 
cellular assembly which is intermediate between cells and a 
complete organ. Hence a tissue is a group of similar cells from 
the same origin which together carry out a specific function. 
Further grouping of these tissues forms an Organ. 
 
? The human body is made up of 4 types of tissues: muscular 
tissue, epithelial tissue, connective tissue and nervous tissue. 
 
? The cementing material in our body which helps to bind the 
body together and connect all the organs and parts of the body 
is called as connective tissue.   
 
? The cells that make up this tissue are present in a gel-like 
substance called medium or matrix which forms the main 
bulk of the connective tissue.   
 
? The tissue that connects two bones is called a ligament and 
the one which connects muscles to the bones is called as 
tendon. Both of these are a type of dense connective tissue. 
 
? The skin is connected to our muscles with a type of connective 
tissue which is loose and hence this tissue gets its name as an 
areolar or loose connective tissue. 
? The bone cells are present in a medium which has calcium 
and phosphorus due to which its appearance is strong and 
hard. Hence bone is a type of skeletal connective tissue. 
 
? The special type of connective tissue which is filled with the fat 
globules is called adipose tissue. 
 
? The blood flows through your entire body and acts as 
transporter of oxygen hence blood is a fluid connective tissue. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Questionnaire 
A) Fill in the blanks. 
 
1) There’s a cementing material in our body in the form of a special tissue 
which helps to bind the body together and connect all the organs and 
parts of the body this is named as ______.   
a) Cells  
b) Connections 
c) Connective tissue 
d) Tissue 
2) Tissues are made up of cells and are present in a gel-like substance 
called ______ which forms the main bulk of the connective tissue. 
a) Matrix 
b) Fluid 
c) Medium 
d) Both a & c   
3) An adult human body has ______ bones. 
a) 320 
b) 106 
c) 206 
d) None of the above 
4) _______is the largest organ in the human body. 
a) Kidney 
b) Liver 
c) Heart 
d) Skin 
5) Bone cells are present in a medium which has _______ and _______ which 
makes a bone strong and hard in appearance. 
a) Calcium, Potassium 
b) Calcium, Phosphorus 
c) Sodium, Potassium 
d) Sodium, Phosphorus 
B) Identify the labelled part and describe it in one line  
1)  
 
 
 
 
 
2)  
 
 
 
 
 
3)  
 
 
 
 
 
 
C) Complete the following 
 
1)  ________________________are densely packed together with very little 
matrix two examples of such a connective tissue are ligament and the 
tendon. 
a) The cells in the connective tissue 
b) The cells in the areolar connective tissue  
c) The cells in the loose connective tissue 
d) The cells in the dense connective tissue 
 
2) The cells in this tissue float in a gel like medium which is loose and 
hence__________________ 
a) this tissue is called as skeletal connective tissue. 
b) this tissue is called as areolar connective tissue. 
c) this tissue is called as dense connective tissue. 
d) this tissue is called as adipose connective tissue. 
 
3) ______________________________hence, this type of connective tissue is 
present around blood vessels, nerves and in the bone marrow. 
a) Loose tissue mainly fills the space inside the organs 
b) Areolar tissue mainly fills the space inside the organs 
c) Filler tissue mainly fills the space inside the organs 
d) Adipose tissue mainly fills the space inside the organs 
 
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