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Musculoskeletal
bones, joints, muscles etc
| Question | Answer |
|---|---|
| What is the difference between a tendon and a ligament? | Tendon connects bone to muscle Ligament connects bone to bone |
| What is the difference between an osteoblast and an osteoclast? | Osteoblasts-cells that build bone up Osteoclasts-cells that break/cut bone down |
| Name three functions of the skeleton | support of the body, protection of internal organs and assists in movement |
| Name the two sections of the skeleton | The axial and appendicular skeletons |
| Name the parts of the axial skeleton | skull, spine/vertebrae, ribs, sternum |
| Name the parts of the appendicular skeleton | Pectoral girdle, pelvic girdle and attached limbs |
| What are antagonistic muscle pairs and give an example | muscles that move a bone in opposite directions Eg biceps and triceps |
| Describe how your named antagonistic muscle pair works | When the biceps is relaxed, the triceps is contracting (lower arm down). When the triceps is relaxed, the biceps is contracting (lower arm up) |
| What is the renewal of bone dependent on? | physical activity, certain hormones, diet |
| What is a joint? | Where two bones meet |
| What is the function of cartilage? | protects bones by allowing friction free movement and being a shock absorber |
| What is in the pectoral girdle? | clavicle, scapula, humerus, radius, ulna, carpels, metacarpels, digits containing phalanges |
| What is in the pelvic girdle? | tibia, femur, fibula, patella, tarsels, metatarsels, digits containing phalanges |
| Name the two types of bone | compact bone and spongy bone |
| How many bones are in the adult human body? | 206 |
| Give a function for compact bone | gives strength and flexibility |
| Give three functions of spongy bone | gives strength and rigidity, red marrow produces blood cells, yellow marrow contains fat storage tissue |
| Describe the structure of cartilage | composed of collagen fibre and lacks nerves and blood vessels |