Benefits of lemon water in the morning

Mucous membranes.. a. cover or line external surface of body. b. line internal body surfaces that are in contact with the environment. c. produce antibodies to combat infection. d. secrete sweat, which has antibacterial enzymes.

Describe how the above factors create barriers for maintaining your mental and emotional health what barriers do they create

Does indrect sunlight does not pose any danger to the skin