muscle physiology

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muscle physiology by Mind Map: muscle physiology

1. funtions of the muscle system

1.1. body movement

1.2. balance and posture

1.3. heat production

1.4. hearbeat

1.5. respiration

1.6. constriction of organs and blood vessels

2. smooth muscle properties

2.1. cell shape: spindle

2.2. nucleus: single

2.3. control: involuntary

2.4. striations: none

3. cardiac muscle properties

3.1. cell shape: branched

3.2. nucleus: single

3.3. control: involuntary

3.4. striations: yes

4. skeletal muscle properties

4.1. cell shape: long, cylindrical

4.2. nucleus: multiple

4.3. control: voluntary

4.4. striations: yes

5. special features of skeletal muscle cells

5.1. myofibers

5.2. sarcoplasm

5.3. sarcoplasmic reticulum

5.4. calcium

6. skeletal muscle cell struture

6.1. myofiber

6.2. myofibrils

6.3. myofilamets

7. sarcomere/myofilaments

7.1. thick filaments

7.2. thin filaments

7.3. tropomyosin

7.4. actin

7.5. troponin

8. parts of sacromere

8.1. A band

8.2. I band

8.3. H zone

8.4. Z line

9. skeletal muscle function

9.1. nerve inpulse triggers the release of calcium

9.2. calcium binds to troponin

9.3. myosis head engages with the actin

9.4. Myosin head releases actin

9.5. myosin crossbridge returns to original position

10. chemistry of muscle contration

10.1. ATP

10.2. Mitochondria

10.3. aerobic cellular respiration

10.4. creatine phosphate

10.5. anarobic cellular respiration

10.6. muscle fatigue

10.7. build-up of lactic acid