Question

tissue ch notes plz help me class ninth​

Answer 1

$\huge{\boxed{\boxed{\underline{\bf TISSUES}}}}$

• Tissue is a structure which is formed by the aggregation of cells which have similar roles.

• Tissues having same kind of functions comes together and aggregates to form Organs.

• There are different types of tissues which includes :

i) Epithelial Tissue.

ii) Connective Tissue.

iii) Muscular Tissue.

iv) Nervous Tissue.

Let us learn some features about these tissues.

$\huge{\underline{\underline{Epithelial\:Tissue}}}$

• This tissue has the role to line both the external and internal parts of our body.

• This tissue is composed of more than one layer.

$\huge{\underline{\underline{Connective \: Tissue}}}$

• As the name suggests, this tissue connects the organs so that they do not get displaced.

• It is most of the widely found tissue seen in body of animals.

$\huge{\underline{\underline{Muscular \: Tissue}}}$

• This tissue helps us in movement by contracting and relaxing.

• This tissue is made up of cells which are fibre-like called myofibrils.

$\huge{\underline{\underline{Nervous\:Tissue}}}$

• This tissue is very important as it has the role to control the response of our body to any kind of stimulus.

• It has a very important role to pass on messages in our body.