Distinguish between the locations and secretions of apocrine and eccrine sweat glands
What will be an ideal response?
Eccrine sweat glands are more numerous than apocrine sweat glands; they are found all over the body. Eccrine sweat glands function in body temperature regulation. When we are too hot, eccrine sweat glands release sweat containing water, salts, vitamin C, and metabolic wastes on to the body's surface. Upon its evaporation, we are cooled down. The ducts of apocrine sweat glands empty into hair follicles in the axillary and genital areas. Apocrine sweat glands activate at puberty and produce sweat almost continuously, but their overall function is not known. Apocrine sweat is milky or yellowish in color due to fatty acids and proteins in the secretions.
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Which cells can be activated by direct contact with virus-infected cells?
A) helper T and helper B cells B) memory T and memory B cells C) cytotoxic T and memory B cells D) cytotoxic T and natural killer cells E) helper T and plasma cells
With age, connective tissues
A. become more flexible. B. become thinner. C. lose their blood supply. D. lose their pliability and resiliency. E. increase in mass.
An immunoglobulin molecule is an antigen secreted by T lymphocytes
Indicate whether the statement is true or false
Define information processing
A) Information processing is the change in charge across the inner and outer membrane of a cell. B) Information processing is a temporary, localized change in the resting membrane potential of a cell. C) Information processing involves the release of neurotransmitters by the presynaptic cell. D) Information processing is the integration of stimuli by an individual cell. E) Information processing is transfer of neurotransmitters from the presynaptic cell to an effector cell.