What protects the human skeleton?

Protection: It protects our internal organs. The skull protects the brain; the thorax (sternum, ribs and spine) protects the heart, lungs and other viscera (organs within the thorax).

What protects the skeletal system?

Periosteum: The periosteum is a tough membrane that covers and protects the outside of the bone. Compact bone: Below the periosteum, compact bone is white, hard, and smooth. It provides structural support and protection.

What body part protects human bones?

Cartilage (KAR-tul-ij), a flexible, rubbery substance in our joints, supports bones and protects them where they rub against each other.

What is the main support of the human skeleton called?

Of these functions, support is the most primitive and the oldest; likewise, the axial part of the skeleton was the first to evolve. The vertebral column, corresponding to the notochord in lower organisms, is the main support of the trunk. A diagram of the human skeleton showing bone and cartilage.

What makes the human skeleton strong?

Bone is a living, growing tissue. It is made mostly of two materials: collagen (KOL-uh-juhn), a protein that provides a soft framework, and calcium (KAL-see-uhm), a mineral that adds strength and hardness. This combination makes bone strong and flexible enough to hold up under stress.

Which animal has the least bones?

Animals without backbones are called invertebrates. They range from well known animals such as jellyfish, corals, slugs, snails, mussels, octopuses, crabs, shrimps, spiders, butterflies and beetles to much less well known animals such as flatworms, tapeworms, siphunculids, sea-mats and ticks.

THIS IS IMPORTANT:  Your question: How do I stop security warning pop ups Windows 7?