Which of the following helps to protect the skin from bacterial invasion?, Acid mantle, Fibroblasts, Fibroblast cells are found in which layer of the skin?, Dermis, Basal, The action of the occipitalis muscle is to:, Raise the eyelids, Move the scalp, In which layer of the epidermis are melanocytes located?, Stratum spinosum, Stratum germinativum, The action of the temporalis muscle is to:, Raise the lower jaw, Depress the eyebrows, Which of the following muscles wrinkle the skin of the neck?, Masseter, Platysma, The lacrimal bones are located in the:, Eye socket, Cheeks, Which of the following is a U-shaped bone found at the root of the tongue?, Turbinate, Hyoid, The circulation of blood between the heart and all body parts is called:, Coronary, Systemic, The mastoid lymph nodes filter toxins from the following areas:, Chin and lips, Ear and temporal, Which of the following is a function of leucocytes?, Fights infection, Aids clotting, Which of the following is a function of the lymphatic system?, Transports dietary fluids, Carries deoxygenated fluids.

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