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#9thclassbiology
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#eLearning pk,
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#Learn with dyed atif,
#Sreducators,
#Sair medical learning,
#Nextgene developer,
#impulse wave,
#TWC academy,
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LearningTranscript
00:00Assalam-o-Alaikum, today our topic of discussion is connective tissue.
00:07Suppose we want to make a building, for this we mainly need bricks and to connect the bricks
00:22we use cement, as you can see here, we have put cement in the middle of the bricks, what
00:29is the function of cement, it keeps the bricks together, it does not allow the bricks to fall.
00:37In this way, if we want to build a wall without cement, just by placing the bricks on top of
00:47the bricks, we will not be able to do it, the walls will fall, because there is no material
00:56to connect the bricks together.
00:59In this way, our body also has a cement material, which keeps the different parts of our body
01:08together.
01:09For example, our body has a total of 206 bones, and this is our skeletal, so these bones are
01:25connected to each other, suppose this is a separate bone, and this is a bone on top,
01:32and these are connected to each other in the middle, from here these two bones are connected
01:38to each other.
01:39Who is the one who connects these two bones?
01:42Connective tissue.
01:43So, connective tissue in our body has a cement material that keeps the different body parts
01:50together.
01:52So, there is a connective tissue in the middle of these two bones, there is a connective tissue
01:59in the middle of these two bones, there is a connective tissue in the middle of these
02:04two bones, with the help of which these two bones are connected to each other.
02:09In this way, the total 206 bones of our body are connected to each other through this connective
02:17tissue.
02:19So, the connective tissue that connects the two bones together is called ligaments.
02:27Ligaments are a type of connective tissue that connects the two bones together.
02:34Just like our bones are connected to each other, in the same way, our muscles are also
02:41attached to the bones.
02:43So, the tissue that attaches the muscle to the bone is also a connective tissue and it
02:50is called tendon.
02:52This is a type of connective tissue.
02:57This is our bone and this is the muscle.
03:00And the white color that is visible to these two is a tendon, which is a type of connective
03:06tissue.
03:08So, just like the bones are connected to each other and the muscles are connected to the
03:14bones, in the same way, our skin is also connected to the muscles.
03:21The skin of our entire body is also connected to the muscles through connective tissue.
03:30So, connective tissue connects the bones to the bones, the bones to the muscles, and the
03:36muscles to the skin.
03:41In this way, the bones are a type of connective tissue.
03:46The bones are a type of connective tissue.
03:49In this way, blood circulates in our entire body.
03:54So, blood is also a type of connective tissue.
03:58Blood has white blood cells, red blood cells, platelets, and these are all inside a fluid
04:13called plasma.
04:17So, what does blood do?
04:19It delivers oxygen and nutrients to the entire body, which is a type of connective tissue.
04:26In this way, there is another type of connective tissue called adipose tissue.
04:32This is a type of fat that stores energy in the form of fat.
04:41So, this adipose tissue is also present in our kidneys.
04:46In addition to this, it is also present in our abdominal region.
04:55Fat is stored in the abdominal region of most people.
05:00In this way, there is adipose tissue under the skin of our entire body, which is a type
05:07of fat.
05:08And this is also a type of connective tissue.
05:14In this way, there is a type of adipose tissue called cartilage.
05:19In Urdu, it is called soft bone.
05:23And this cartilage joins the two bones together.
05:27The connective tissues between the two bones are called asilmo cartilage, which are soft
05:34and flexible.
05:35In this way, there are connective tissues in our nose, in the air, and the airways of
05:42the trachea are also made up of asilmo cartilage.
05:47And this is a type of connective tissue.
05:53Now let's look at the structure of connective tissue.
05:56Connective tissue has cells scattered throughout an extracellular matrix.
06:02For example, this is a connective tissue.
06:06So we all know how tissues are made when many cells meet each other to form tissues.
06:15So the cells in the connective tissue are far away from each other.
06:23And they are present in the extracellular matrix.
06:33Extracellular means outside the cell and matrix means fluid.
06:37That is, the fluid is present on the outside of the cells of the connective tissue.
06:44Here the fluid is present.
06:46This is called a matrix.
06:48And these are of jelly type.
06:51So in this fluid, the cells of the connective tissue are scattered.
06:57Yesterday we studied epithelial tissue.
07:00And the cells of epithelial tissue are tightly packed with each other.
07:07And there is no space between them.
07:12While the cells of the connective tissue are present in a jelly-like fluid.
07:17This is called a matrix.
07:19And they are scattered in this matrix.
07:25And there is space between them.
07:31Now let's look at the function of connective tissue.
07:34Our bones give us support.
07:38Our skeletal muscles give us support.
07:40The skeletal system supports the body.
07:44In addition, the different parts of the body are connected to each other.
07:50The bones are connected to the bones.
07:52The bones are connected to the muscles.
07:54The muscles are connected to the skin.
07:56This is how the transportation works.
07:58Our blood is also a type of connective tissue.
08:02The blood transports oxygen and nutrients to the entire body.