secret separation with distal secretion cells mammary gland What glandular cells produce and secrete There is a cell body coming out as well. complete destruction of secretory cells, sebaceous glands, internal tissues The tissue system of the internal environment consists of blood. connective tissue and skeletal tissue Cartilage and bone despite the diversity of tissues and cell types. But it has common features in the tissue system. of the internal environment generation of cell membranes

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นานาสาระ Cell