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Which of the following system serves the role to coordinates most body cells?
a) digestive                 
b) respiratory
c) circulatory              
d) endocrine

d

Explanation the nerve fibers do not innervate all the body cells; a special kind of the coordination system is thus required



The hormonal system is concerned with control of the.....
a) rate of chemical reaction   
b) transport of substance through membrane
c) growth and secretion          
d) all of these

d

Explanation this system is knows as endocrine system



Hormones: The Chemical Messengers


Which of the following structures release some secretion?
a) neuralgia                
b) muscles
c) glands                    
d) mouth

c

Explanation: glands are made up of one or more cells



Glands are classified into ………types.
a) three           
b) four
c) five 
d) two

d

Explanation 1. Exocrine gland and 2. Endocrine gland



Which of the following glands secrete their products onto the target surface directly or through ducts?
a) Endocrine glands      
b) exocrine glands
c) both a and b   
d) none of these

b

Explanation Exo means outside, crine means to secrete



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