What are the two principal types of connective tissue in a muscle?
A) myofibrils and disks
B) elastin and collagen
C) collagen and myofibrils
D) myofibrils and elastin
B) elastin and collagen
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Which of the following best describes the parasympathetic division?
A) a part of the brain that activates, controls, and integrates autonomic mechanisms, endocrine activities, and many bodily functions B) a division of the autonomic nervous system that is in control when a person relaxes and that aids in digesting food, storing energy, and promoting growth C) the branch of the peripheral nervous system that is largely under conscious control and governs motor functions and sensory information D) a division of the autonomic nervous system that activates during times of arousal, including exercise, severe pain, anger, or fear
Which of the following ethnic group has a risk of developing hemochromatosis (iron overload)?
A. African B. Asian C. Irish D. Moroccan
_____ binds to MIC-A and MIC-B, which are synthesized in response to infection in gut epithelium. (Select all that apply.)
a. MHC class I b. NKG2D c. V?:V?1 d. fibroblast growth factor e. CD1.
________ barriers to physical activity include personal and physical factors affecting exercise participation
A) Personal B) Physiological C) Psychological D) Environmental