The video explores the skeletal and muscular systems, detailing the structure and functions of bones, joints, and muscles. It explains how bones provide support, protection, and movement, and discusses bone composition, growth, and health. The video also covers different types of joints and their roles in movement, as well as how to maintain bone health and prevent injuries. Additionally, it provides an overview of muscle types, including voluntary and involuntary muscles, and their functions in the body.

What is the primary function of the skeletal system?

• To produce hormones

• To regulate body temperature

• To provide structure and support

• To digest food

Which minerals are primarily responsible for the hardness of bones?

• Sodium and potassium

• Iron and magnesium

• Phosphorus and calcium

• Zinc and copper

What is the role of red bone marrow?

• To connect muscles to bones

• To protect the brain

• To produce blood cells

• To store fat

What is cartilage primarily known for?

• Producing blood cells

• Storing minerals

• Being more flexible than bone

• Being harder than bone

Which type of joint allows for the most movement?

• Fixed joint

• Hinge joint

• Ball and socket joint

• Gliding joint

What is a common cause of osteoporosis?

• Excessive exercise

• Loss of minerals in bones

• High calcium intake

• Too much sun exposure

How can you help prevent bone injuries?

• By eating less calcium

• By drinking sugary drinks

• By warming up before exercising

• By avoiding exercise

What type of muscle is the heart made of?

• Cardiac muscle

• Voluntary muscle

• Smooth muscle

• Skeletal muscle

Which muscles are under conscious control?

• Cardiac muscles

• Skeletal muscles

• Involuntary muscles

• Smooth muscles

What is the function of tendons?

• To produce blood cells

• To connect bones to each other

• To connect muscles to bones

• To store energy