Human Skeleton and Bone Functions

The video explains the human skeleton, highlighting its structure, types of bones, and their functions. It covers spongy and cortical bones, bone marrow, and the roles of different bone types. The video also discusses unique bones like sesamoid bones, the importance of bone protection, and how to maintain healthy bones through nutrition and exercise.

What is the primary function of the human skeleton?

• To support the body and protect organs

• To produce red blood cells

• To store fat

• To regulate body temperature

Where are spongy bones primarily located?

• In the skull and ribs

• In the arms and legs

• In the hands and feet

• In the spine and pelvis

What is the role of bone marrow found in spongy bones?

• To protect the brain

• To produce blood cells

• To store calcium

• To support muscle attachment

What percentage of the skeleton is made up of cortical bones?

• 80%

• 50%

• 100%

• 20%

Which type of bone is found in the wrist and feet?

• Irregular bones

• Short bones

• Long bones

• Flat bones

What is the function of the vertebrae in the human body?

• To store minerals

• To protect the spinal cord

• To aid in digestion

• To produce red blood cells

Which bone is unique for not being connected to any other bone?

• Mandible

• Tibia

• Hyoid

• Femur

How many bones does an adult human typically have?

• 250

• 206

• 300

• 150

What is a recommended way to keep bones healthy?

• Avoiding physical activity

• Avoiding dairy products

• Getting plenty of rest and exercise

• Eating only meat

Why is it important to wear a helmet during certain activities?

• To increase speed

• To enhance vision

• To protect the skull

• To improve balance