Several interneurons from the spinal cord lead into and interact with the dendrites of a single motor neuron in the leg to sum impulses from several different sensory sources. This phenomenon is called ________.
Fill in the blank(s) with the appropriate word(s).
convergence
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A light skinned person may appear pink when they become over heated. The best explanation for this is ________
A) the blood vessels of the dermis have undergone vasodilation, bringing a greater volume of blood to the skin B) the heart is pumping faster because the person was probably exercising C) blood flow has increased to the sweat glands in order to increased their metabolic activity D) the melanocytes are responding to the heat of the sun and change the appearance of the skin with increased production
Conditions that promote the oxidative deamination and energy use of amino acids include ________
A) ammonia combining with oxygen to form urea B) adequate essential amino acids C) adequate fat calories to provide adequate ATP formation D) excessive amounts of protein in the diet
Active transport carriers are also called ________.
A. receptors B. vesicles C. channels D. pumps
One characteristic of the immune response is specificity. This means that ________
A) immunity is carried on by a specific group of tissues of the immune system B) immunity is carried on by a specific group of cells of the immune system C) immunity starts in defined organs in the body D) immunity starts in specialized tissues in the body E) immunity is directed against a particular pathogen