HowStuffWorks Videos "Spinal Cord Injuries"

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Myostatin and Muscle Growth (1:31)

Watch this video about myostatin and muscle growth on HowStuffWorks. A gene called myostatin is directly linked to the inhibiting of muscle growth. Learn why some people who lack copies of the myostatin gene have enormous muscles in this video from... More »

Spinal Cord Injuries (1:28)

Watch this video about spinal chord injuries on HowStuffWorks. Neuroscientists are trying to enhance motor control functions by patching parts of the spine that prevent information from traveling. Learn about overcoming spinal chord injuries in this... More »

Organ Systems: Skeletal and Muscular Systems (0:24)

The skeletal and muscular systems give the body support and strength and allow it to move. They are also responsible for protecting many internal organs.

The Skeletal and Muscular Systems: Video Quiz (5:36)

This clip is a video quiz about the skeletal and muscular systems.

The Skeletal and Muscular Systems: Summary (1:44)

The skeletal and muscular systems work together to help maintain homeostasis.

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Systems of the Human Body: Muscular System (2:49)

Three types of muscle make up the muscular system: skeletal, smooth and cardiac. Muscles are either voluntary, such as those used for locomotion, or involuntary, such as those that cause a heart beat. Muscles cause motion when they contract.

Human Body: The Skeletal System (1:52)

The skeletal system provides support of soft tissue, protects the body's organs, works with the muscular system to move the body, serves as a reservoir for minerals and produces blood cells.

Human Body: The Muscular System (3:23)

Skin is loosely attached to muscles to allow for expanding and contracting. Different exercises affect skeletal muscle, which work with the skeletal system to move the body.

The Musculoskeletal System: Maximizing Power Output (1:48)

Muscles can produce energy in the absence of oxygen. However, a waste product called lactic acid is also produced. If lactic acid builds up in the muscles, the result is pain and fatigue.

The Musculoskeletal System: Muscles (5:47)

The human body has both voluntary and involuntary muscles. We consciously control the voluntary muscles. Involuntary muscles are not consciously controlled.