The video tutorial explains the skeletal system's composition, focusing on connective tissue. It highlights that not all connective tissue is bone, introducing cartilage as a flexible material. Examples include the nose and outer ears. The video discusses cartilage in animals like sharks and its presence in newborns, transforming into bone over time. It also covers cartilage's role in joints like knees and elbows.

What is the primary component of the skeletal system?

What type of connective tissue is cartilage described as?

How does cartilage contribute to the flexibility of certain body parts?

What happens to cartilage in newborn babies as they grow older?

In which areas of the body does cartilage remain even after growth?