skeletal+systyrich

1. What are the four main functions of the skeleton? (p. 208) The skeleton provides blood cells, supports the body by providing structure, protects the soft fagile parts of the body, and helps the body with flexible movement. (store calcium, phosphate, and fat... yellow marrow. red marrow, red blood cells) 2. What is the difference between cartilage and bone? (p.208) cartilage is less hard, and more flexible than bone because it contains gel-like elastic fibers. (cartilage has no nerves, slow to heal, doesnt bleed) 3. Why is vitamin D important to bone growth? How do we get vitamin D? (p. 212) Vitamin D absorbs calcium which is essential to bone growth, it can be consumed or provided by the sunlight on skin. 4. Insert an image of a skeleton. You will need to know the location of the following bones.

Skull: frontal bone, parietal bone, temporal bone, occipital bone, zygomatic bone, maxilla, mandible Pectoral girdle: clavicle, scapula Upper limb: humerus, ulna, radius, carpals, metacarpals, phalanges Rib Cage: sternum, ribs, costal cartilages Pelvic girdle: coaxyl bones, sacrum, coccyx lower limb: femur, patella, tibia, fibula, tarsals, metatarsals, phalanges