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Concept explainers
To determine: The process that occurs when epinephrine combines with β1-receptors in the heart.
Introduction: The nervous system is the organ system that produces responses against environmental stimuli. The cells that transmit information about the environmental changes to the brain are called nerve cells or neurons. The neurons release many chemicals and hormones. The chemicals secreted by the nerve cells are called neurotransmitters.
To determine: The phenomenon that takes place when epinephrine combines with β2-receptors in the heart.
Introduction: Epinephrine is a hormone that is secreted by the nerve cells. It is also called adrenaline. The body produces this neurotransmitter only in stressful conditions. The cardiac muscles of the heart are composed of myocardial cells. These cells have two types of receptors. These are β1-receptor and β2-receptor.
To determine: The heart tissue that possesses different types of β-receptors.
Introduction: All the cells of the body require oxygen to produce energy. The blood provides oxygen to the cells. The circulatory system is a well-defined system of the body that supplies oxygen-rich blood to all the cells. Heart is the most vital part of the circulatory system.
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Chapter 15 Solutions
Human Physiology: An Integrated Approach (8th Edition)
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- Biology: The Unity and Diversity of Life (MindTap...BiologyISBN:9781305073951Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa StarrPublisher:Cengage LearningPrinciples Of Radiographic Imaging: An Art And A ...Health & NutritionISBN:9781337711067Author:Richard R. Carlton, Arlene M. Adler, Vesna BalacPublisher:Cengage Learning
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