How many major organs in human body?
skin liver kidneys heart lungs brain bladder intestines reproductive thats about it making a total of about 12 major organs although other organs of the body do exist like the gall bladder and pancreas. There are many different types of cells in the human body. None of these cells function well on there own, they are part of the larger organism that is called – you. Tissues Cells group together in the body to form tissues – a collection of similar cells that group together to perform a specialized function. There are 4 primary tissue types in the human body: epithelial tissue, connective tissue, muscle tissue and nerve tissue. Epithelial Tissue – The cells of epithelial tissue pack tightly together and form continuous sheets that serve as linings in different parts of the body. Epithelial tissue serve as membranes lining organs and helping to keep the body’s organs separate, in place and protected. Some examples of epithelial tissue are the outer layer of the skin, the inside of the mo
