This Is What Holds Us Together

The video explores the human skeletal system, comparing it to a house frame. It highlights the skeleton's protective role for vital organs and its contribution to body shape. Unique features of the skeleton include its ability to grow and facilitate movement, aided by muscles and joints. The video also covers major bones and muscles, such as the skull, spine, and femur, and distinguishes between involuntary and voluntary muscles, emphasizing the heart's role as an involuntary muscle.

What is one of the main functions of the human skeleton?

• To produce energy

• To circulate blood

• To protect major organs

• To digest food

How do muscles contribute to the movement of bones?

• By acting as levers

• By acting as hinges

• By acting as springs

• By acting as pulleys

What is the role of joints in the human body?

• To store nutrients

• To connect muscles

• To allow bending and movement

• To produce blood cells

Which part of the body is supported by large neck muscles?

• The legs

• The arms

• The head

• The spine

What type of muscle is the heart classified as?

• Smooth muscle

• Skeletal muscle

• Involuntary muscle

• Voluntary muscle