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Human muscular system презентация, доклад

Muscular systemLocomotion is provided by specialized muscle tissueIt is composed of specialized cells, known as myocytes which have an ability to contract and relax

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Слайд 1Human muscular system

Human muscular system

Слайд 2Muscular system
Locomotion is provided by specialized muscle tissue
It is composed

of specialized cells, known as myocytes which have an ability

to contract and relax
Muscular systemLocomotion is provided by specialized muscle tissueIt is composed of specialized cells, known as myocytes which

Слайд 4muscle
A muscle cell consists of
- sarcolemma (membrane) –
-

sarcoplasm (cytoplasm )
It contains myofibrils (proteins)

muscleA muscle cell consists of - sarcolemma (membrane) – - sarcoplasm (cytoplasm ) It contains myofibrils (proteins)

Слайд 8Types of muscles
Muscle tissue is divided into three groups:
smooth
striated skeletal
striated

cardiac
DRAW

Types of musclesMuscle tissue is divided into three groups:smoothstriated skeletalstriated cardiacDRAW

Слайд 9Smooth muscle
Each cell is long, fibrous and sharp-ended with a

single central nucleus
They are regulated by the autonomic nervous

system (ANS) since they are located in organs that function involuntarily
Their function is generally irregular and slow

Smooth muscleEach cell is long, fibrous and sharp-ended with a single central nucleus They are regulated by

Слайд 10Smooth muscle
Smooth muscle cells participate in the structure of internal

organs (digestive organs, walls of blood vessels) of humans

Smooth muscleSmooth muscle cells participate in the structure of internal organs (digestive organs, walls of blood vessels)

Слайд 11Cardiac muscle
The nucleus is located at the center of each

cell
Each cell has branch-like projections
Each cell is rich in blood

and lymph vessels.

Cardiac muscleThe nucleus is located at the center of each cellEach cell has branch-like projectionsEach cell is

Слайд 12Cardiac muscle
The cardiac muscles perform their functions involuntarily under the

control of the autonomic nervous system

Cardiac muscleThe cardiac muscles perform their functions involuntarily under the control of the autonomic nervous system

Слайд 13Skeletal muscle
They cover the skeleton
They provide locomotion in cooperation with

the skeletal system
Cells of striated muscles are long, cylindrical

and multinucleated
Skeletal muscleThey cover the skeletonThey provide locomotion in cooperation with the skeletal system Cells of striated muscles

Слайд 14Skeletal muscle
They are termed muscle fibers due to their morphological

appearance

Skeletal muscleThey are termed muscle fibers due to their morphological appearance

Слайд 15Skeletal muscle
The myofibrils composed of actin and myosin proteins
They

are arranged in parallel lines
Striated skeletal muscle is voluntary and

functions under the control of the brain
It contracts rapidly

Skeletal muscleThe myofibrils composed of actin and myosin proteins They are arranged in parallel linesStriated skeletal muscle

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