Muscles L 6

Question 1

What is the excitable tissue ?

Answer 1

1- glandular
2- nervous
3- muscular

Question 2

Classification of muscles

Answer 2

• 1 smooth muscle
• 2 skelatal muscle
• 3 cardiac muscle

Question 3

Explain the deference between the types of the muscles in innervating

Answer 3

• skeletal mc : each muscular cell innervated by on nerve ending
• cardiac mc : one nerve ending comes to group or cardiomyocytes
• smooth mc : its intermediate position there cells that receive their own innervating and their a group of cells innervated by one nerve ending

Question 4

Explain the deference between the types of the muscles in synapses

Answer 4

• Cardia and skeletal : have a tight neuro-muscular synapse :
• smoothie mc : synapses called distant the mediator need time to diffuse from a nervous end to a myocyte