SKELETAL MUSCLE CELL 1006 HELLO We are the

SKELETAL MUSCLE CELL 1006

HELLO! We are the skeletal muscle cell group! We are here to give you a presentation about skeletal muscle cell.

MEMBERS ARCHAREE ANNA KANNICHA CHATRAPORN NATHAWADEE CHAROENPANITCH DAVIES EKSUWANCHAROEN TANTINIKORN NONTHABANHAN 5961224 5961089 5961101 5961027 5961108

MUSCLE CELLS: Muscle cells are cells in our body that we control, they are responsible for movement. There are 3 types of muscle cells. 1. Skeletal muscle cell 2. Smooth muscle cell 3. Cardiac muscle cell

DIFFERENCES OF MUSCLE CELLS SKELETAL MUSCLE CELL - Attached to bones - Responsible for skeletal movement - Many nuclei - Controlled by central nervous system (CNS) - Straight shape with transverse streaks SMOOTH MUSCLE CELL - Found in wall of hollow organs inside our body (for example blood vessels) - One central nucleus - Spindle shape - Contracts slowly in a rhythm CARDIAC MUSCLE CELL - Found in walls of the heart - One central nucleus - Straighten rectangular shape - Strong contraction in a rhythm - Controlled by autonomic nervous system.

SHAPE

Where is Skeletal muscle cell ?

There’re blood and nerve cells in our muscle !!

FUN FACTS ? 640 -830

FUN FACTS ? From 640 muscles in our body How many muscle do you think We are needed to use to take a step 200 of 650

FUN FACTS ? Do you know which muscle is the strongest muscle of human ? tongue

ORGANELLES ◉ Nuclei ◉ Mitrochondrion ◉ T- tubes ◉ Sarcoplasmic Reticulum ◉ Myofibrils ◉ Sarcolemma

Body Movement (Contraction and Relaxation) Maintenance of Posture Homeostasis (Production of body heat) FUNCTIONS Communication (Verbal and Facial) Constriction of organs and vessels Support soft tissues

THE IMPORTANT OF SKELETAL MUSCLE CELLS Your muscle needs to move to be able to perform certain actions, which means that cells must be functioning. If there are no skeletal muscle cells or the cells do not function well, then daily activities such as walking, running, lifting and so on cannot be performed. Without the skeletal muscle cells, we will lose one of the most important characteristics of life - movement.

What is UNIQUE about the skeletal muscle cell • Are able to stretch and resume original shape. • Are directly attached to the skeleton by tendons. • Appear striped under a microscope. Also called striated muscle. (Striated appearance comes from formation of actin and myosin muscle fibres. ) • Skeletal muscle is controlled by the somatic nervous system, and the cardiac muscles are, by nature, involuntarily controlled. • Skeletal muscle cells are multinucleated (many nucleus)

DISEASE AND TREATMENT

Muscular Dystrophy (MD) ◉ MORE THAN 30 SPECIFIC TYPES ◉ WEAKENING AND BREAKDOWN OF SKELETAL MUSCLES GRADUALLY ◉ MUTATIONS IN GENES(DYSTROPHIN) THAT ARE INVOLVED IN MAKING MUSCLE PROTEINS ◉ CHROMOSOME X

TREATMENT ◉ NO CURE ◉ SYMPTOMATIC TREATMENT ◉ CORTICOSTEROID TO SLOW MUSCLE DEGENERATION

REFERENCE BBC Science & Nature - Human Body and Mind - Muscles Layer. (n. d. ). Retrieved February 01, 2017, from http: //www. bbc. co. uk/science/humanbody/factfiles/skeletalsmoothandcardiac/orbicula ris_oris_animation. shtml Functions of Skeletal Muscle. (n. d. ). Retrieved February 05, 2017, from https: //quizlet. com/16240918/10 -1 -functions-of-skeletal-muscle 10 -2 -organization-of-muscle-at -tissue-level-flash-cards/ Muscular dystrophy. (n. d. ). Retrieved January 25, 2017, from https: //en. wikipedia. org/wiki/Muscular_dystrophy Muscular dystrophy. (n. d. ). Retrieved January 25, 2017, from http: //www. nhs. uk/conditions/Muscular-dystrophy/Pages/Introduction. aspx

REFERENCE Muscular Reading 2. (n. d. ). Retrieved January 25, 2017, from http: //www. mhhe. com/biosci/ap/vander/muscular/reading 2. mhtml Muscular Tissue. (n. d. ). Retrieved February 01, 2017, from http: //www. ivyroses. com/Human. Body/Tissue_Muscular-Tissue. php SEER Training: Structure of Skeletal Muscle. (n. d. ). Retrieved February 04, 2017, from https: //training. seer. cancer. gov/anatomy/muscular/structure. html User, S. (n. d. ). Home. Retrieved February 07, 2017, from http: //www. teachpe. com/anatomy/structure_skeletal_muscle. php

THANKS! Any questions?