27)Skin, hair, and nails are part of the ________ system.a)Integumentary.b)Endocrine.c)Muscular.d)Skeletal.e)Nervous.28)This system provides protection, thermoregulation, and make vitamin D. 29)The system that exchanges CO2 and O2 and helps in speech is the _____ system, whereas the system that transports O2 and CO2 is the ______ system. 30)This system breaks down food and absorbs nutrients. 31)The survival need that is required in order to release energy from foods is:a)Nutrients.b)Water.c)Atmospheric pressure.d)Oxygen.e)Constant body temperature.32)The pancreas is an organ directly associated with both the _____ systems. 33)The term ___________ refers to the sum of all chemical reactions in the body.34)What properties are common to all living things?35)Which of the following elements of a control system detects a change:a)Control center.b)Stimulus.c)Effector.d)Receptor.e)Efferent pathway.3
36)Maintaining the internal environment of an organism is termed ___________.37)A cell or organ that responds to commands of the control center in negative feedback is termed a(n)38)Your body thermostat is located in a part of the brain called the hypothalamus. Which of the following elements of a control system does this area in the brain represent:39)Carl was stung by a bee and was taken to the emergency room because she was undergoing anaphylactic shock. She was given a shot of epinephrine which reduced her allergic reactions and brought her breathing and heart beat back to normal. Did the dose of epinephrine result in a negative feedback or a positive feedback mechanism?a)Negative feedbackb)Positive feedback
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