Students will learn that cardiac muscle is a specialized type of muscle tissue found only in the heart. They will study its unique characteristics, including its striated appearance, branching structure, and the presence of intercalated discs that facilitate synchronized contractions. Cardiac muscle cells, or cardiomyocytes, are connected by these discs, which contain gap junctions allowing for the rapid transmission of electrical impulses across the heart. This synchronization is crucial for maintaining a consistent heartbeat and efficient blood circulation. Students will also explore how cardiac muscle differs from skeletal and smooth muscle in terms of its function, regulation, and ability to contract continuously without fatigue.
Physiology
Students will learn about the physiology of key body systems, including the heart’s role in pumping blood and regulating rhythm, the structure and function of bones in growth and repair, and the mechanisms of muscle contraction and types of muscle tissue. They will explore the skin's protective, regulatory, and sensory functions, and understand the processes of action potential generation and propagation in neurons. Additionally, students will study neurotransmitters and their role in transmitting signals across the nervous system, influencing mood, behavior, and muscle function. This integrated approach helps students grasp how these systems work together to maintain overall body function and respond to internal and external stimuli.
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