Which one of the following factors contributes to hypertension
a) a diet that lacks protein
b)a high fat diet
c)a lack of sleep
d) a vigorous exercise regimen

The cardiovascular system, which transports blood through the body, is a one-way system. select the best answer from the choices provided. t f

Which description best defines the nervous system and its two main branches? a: the message center of the body, split into the autonomic nervous system and the somatic nervous system b: the control panel of the body, split into the central nervous system and the exterior nervous system c: the message center of the body, split into the central nervous system and the peripheral nervous system d: the control panel of the body, split into the brain and the spinal cord

Mucous membranes.. a. cover or line external surface of body. b. line internal body surfaces that are in contact with the environment. c. produce antibodies to combat infection. d. secrete sweat, which has antibacterial enzymes.