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Muscle Tissue | Structural Organization in Animals | Anatomy | CBSE Class 11 Biology by Elearnin

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Elearnin

Elearnin

2 жыл бұрын

Welcome to Elearnin, In this 3d animated video we will teach you about the Structural Organisation in Animals from the Class 11 Biology - CBSE - NCERT by Elearnin.
In this video, you will learn about Muscle Tissue.
• Types of Muscles
• Skeletal / Striped / Voluntary Muscles
• Smooth / Unstriped / Involuntary Muscles
Cardiac Muscles
#MuscleTissue #HumanAnatomy #CardiacMuscles #Anatomy #3dAnimation #Biology #intermediate #Inter #Grade12 #NCERT #StudiousTelugu #Class11 #science #cbsc
The study of muscles is called Myology or Sarcology. The study of Muscle Movements is Kinesiology. Muscles are the structures that help in the movement of bones. There are 639 muscles in the human body.
Gluteus Maximus is the largest muscle.
The smallest muscle is the Stapedius.
Longest muscle is the Sartorius.
Strongest muscle is the Masseter.
The elements required for the proper movement of muscles are calcium and potassium. Muscles are mesodermal in origin. However, the iris and ciliary muscles are ectodermal in origin. Muscles have three primary functions. Muscle tissues have long cells called muscle fibres. These have a connective tissue cover. However, they don’t have a capsule. The plasmalemma of muscle tissue is called sarcolemma. The cytoplasm of muscle tissue is called Sarcoplasm. Within this, there are multiple fine myofibrils. Each myofibril is made of a thick and long myosin filament and a thin and short actin filament. Muscles are of three types. These are
1. Skeletal Muscles
2. Smooth Muscles
3. Cardiac Muscles
Types of Muscles
1.) Skeletal/Striated/Voluntary Muscles
These are voluntary muscles present in the hands and legs. They are attached to the bone and help in movement.
2.) Smooth/Unstriated/Involuntary Muscles
They are present in the intestines, digestive system, bladder and eyes. These are involuntary muscles.
3.) Cardiac Muscles
These are present in the heart.
Skeletal/Striped/Voluntary Muscles
These are usually attached to bones via tendons. In a typical muscle such as the biceps, skeletal muscle fibres are bundled together in a connective tissue sheath called Endomysium. A bundle of muscle fibres is called a Fascicle. The connective tissue sheath connecting it is called Perimysium. A group of fascicles forms a muscle. The connective tissue sheath covering such a muscle is called Epimysium. The connective tissue layers that cover the muscle end together forming a tendon.
Smooth/Unstriped/Involuntary Muscles
These muscles are smooth muscles. They are arranged in layers or as tiles. Smooth muscle fibres are uninucleate spindle shaped cells. The thin and thick filaments of smooth muscles are not well organised and oriented. Such types of muscles are found in blood vessels, respiratory system, bronchi, gastrointestinal tract, intestines, excretory vessels, genitals and other internal viscera. Therefore, they are called Visceral muscles. They don’t have striations. Therefore, they are called smooth muscles. They don’t act on our will. Therefore, they are called involuntary muscles. They don’t tire and can remain contracted for long periods of time.
Cardiac/Striped/Involuntary Muscles
Venation is the way the veins of the lamina are arranged over the leaf. If they are in the form of a network, it is called Reticulate Venation. If they are parallel, it is called Parallel Venation. Monocotyledonous leaves have parallel venation. Dicotyledonous leaves have reticulate venation.
Types of Leaves
Like skeletal muscle, it is striped. They form the Myocardium of vertebrates. Cardiac muscle cells are short and cylindrical with one or two nuclei. They have joints between them to ensure the conduction of electric signals throughout the heart. Cardiac muscles have intercalated discs. These discs are their differentiating feature. These contain gap junctions. An excited myocardial cell quickly excites all its surrounding myocardial cells and causes a complete cardiac contraction. Due to this, cardiac contractions happen uniformly. Therefore, the cardiac muscle is called a functional syncytium. As it has abundant circulation, it undergoes gaseous exchange constantly. Cardiac muscle is involuntary.

Пікірлер: 21
@pragatisaini4905
@pragatisaini4905 8 ай бұрын
have you created a new method for epithelial tissue and connective tissue???
@THORLOVESME
@THORLOVESME Жыл бұрын
Recommeded by bio miss
@MunnawarHussaincartoon
@MunnawarHussaincartoon Ай бұрын
Thank you soooooo much ❤❤
@virupannamedikinal
@virupannamedikinal Жыл бұрын
Thank you
@Phalguna-co1xj
@Phalguna-co1xj 11 ай бұрын
Nice explanation 🎉🎉❤❤ mam may I know your name mam
@MHs-b1t
@MHs-b1t Жыл бұрын
masha Allah
@THORLOVESME
@THORLOVESME Жыл бұрын
Good
@RM-kb6ql
@RM-kb6ql Жыл бұрын
sarcoplasm labelled wrong, why this kind of animations are created????? mistakes are many i pointed one..
@srijamondal3003
@srijamondal3003 Жыл бұрын
​@@ashabulnaeemjony9488hi sir,none gave the right to this video owner to spread wrong information.
@srijamondal3003
@srijamondal3003 Жыл бұрын
​@@Miss_Sonali876am here to study But not the wrong things mam
@pradeepkumarjangir5852
@pradeepkumarjangir5852 Жыл бұрын
Yes, It is true. The video has errors.
@pradeepkumarjangir5852
@pradeepkumarjangir5852 Жыл бұрын
​​@@ashabulnaeemjony9488It is not of interest. Since it is an animated video, it has a very significant impact on the learners so it is important to give the right information. If it had been placed correctly, the effort would have been the same. However the video is good but has some wrong information that can't be admirable. If you do lots of effort and hard work and generate wrong results, your efforts are useless.
@bagusjelek7313
@bagusjelek7313 Жыл бұрын
siapa yang kesini karena disuruh guru?
@ii-xn7ks
@ii-xn7ks Жыл бұрын
Saya
@bevanramonPramudito
@bevanramonPramudito Жыл бұрын
Saya
@asrarbarrr
@asrarbarrr Жыл бұрын
gweh
@amritapriyadarshi1760
@amritapriyadarshi1760 Жыл бұрын
Which language is it
@johanlissel234
@johanlissel234 Жыл бұрын
To many errors in this video! WARNING!
@imranhaji265
@imranhaji265 Жыл бұрын
Really
@nsk_4128
@nsk_4128 26 күн бұрын
Neet aspirants attendance 👩‍⚕
@AmanKumar-uj2jq
@AmanKumar-uj2jq 23 күн бұрын
Hey 👋🏻 hey
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