a) Golgi apparatus . b) smooth endoplasmic reticulum

c) cell nucleus . d) Desmosomes and hemidesmosomes

B - Enumerate types of cell membrane protein channels . Give a short account on carrier -mediated transport across the cell membrane


2-

A- Enumerate the properties of transmission at the neuromuscular junction

B- physical training and its effects on skeletal muscles


3-

A- Enumerate types of autonomic adrenergic receptors

B- Horner"s syndrome (definition and manifestation)


4-
Give an account on phases of excitability of the cardiac muscle and its relation to its electrical
and contractility changes


5-Define the following :

a- chronaxea and its significance

b- Rhythmicity of the heart and its value in different cardiac parts

c- Autonomic ganglia and its types

d- Saltatory nerve conduction and its significance