The factors or mechanisms that contributes to the increased supply of oxygen to the cells and their contribution in the stress response. Concept introduction: Stress is a biological response to a stressor such as environmental conditions, threat, challenge, or other psychological and physical barrier. The stressor may be physical or psychological, or it can be a combination of both. The autonomic nervous system and hypothalamic-pituitary-adrenal axis are the major systems that respond to stress.

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Chapter 26, Problem 1SQ

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To explain: The factors or mechanisms that contributes to the increased supply of oxygen to the cells and their contribution in the stress response.

Concept introduction: Stress is a biological response to a stressor such as environmental conditions, threat, challenge, or other psychological and physical barrier. The stressor may be physical or psychological, or it can be a combination of both. The autonomic nervous system and hypothalamic-pituitary-adrenal axis are the major systems that respond to stress.

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