Overview
The muscular system is essential for movement, posture, and heat production in the body. It consists of three types of muscles: skeletal, smooth, and cardiac, each serving distinct functions. Skeletal muscles are under voluntary control, allowing us to move our limbs, while smooth and cardiac muscle...
Key Terms
Example: Biceps and triceps are skeletal muscles.
Example: Smooth muscles line the digestive tract.
Example: The heart is made of cardiac muscle.
Example: Each muscle fiber can contract independently.
Example: Fascicles group together to form a muscle.
Example: Actin interacts with myosin during contraction.