Discuss the three functional classifications of exocrine glands secretions
What will be an ideal response?
The classification is based on how their secretion is released. Merocrine gland secretions are packaged into a secretary vesicle and released via exocytosis. Apocrine glands accumulate their secretory product at the apical surface of the cell and the upper portion of the cell pinches off from the rest of the cell to release the products. Holocrine glands accumulate their product in their cytosol and after the cell matures, ruptures and releases the product.
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The mechanical and chemical receptors that control digestive activity are located ________.
A) in the glandular tissue that lines the organ lumen B) in the walls of the tract organs C) in the pons and medulla D) only in the esophagus because this is the only part of the tract that needs to change to accommodate food passage
Erythropoiesis is stimulated by a hormone that is secreted by which of the following?
A. The bone marrow B. The kidneys C. The spleen D. The thymus E. The pituitary gland
A cell starting prophase has 92 molecules of DNA in its nucleus.
Answer the following statement true (T) or false (F)
Receptors for the special senses are found
A. in internal organs. B. throughout the integumentary system. C. primarily in the head. D. in the fingertips.