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SkeletalSystemHLS6
Holt Life Science Chapter 22 Section 2
| Question | Answer |
|---|---|
| What makes up your skeletal system? | bones, cartilage, and the connective tissue that holds bones together |
| How many bones does the average adult have? | 206 |
| What function do bones serve? | 1) Support and protect parts of your body 2)work with your muscles so you can move |
| How do bones help your body maintain homeostasis? | By storing minerals and making blood cells |
| These bones protect your heart and lungs. | ribs |
| This protects your spinal cord. | vertebrae |
| This bone protects your brain. | skull |
| What function do the minerals in the bones serve? | They help your nerves and muscles function properly |
| What is stored in the long bones? | Fat that can be used for energy. |
| These pull on bones to produce movement. | Skeletal muscles. |
| This is the spec ial material inside bones that makes blood cells. | Marrow |
| What is bone made up of? | Connective tissue and minerals. |
| What are the living cells called that deposit minerals into bones? | Osteoblasts |
| Bone tissue that does not have any visible open space. | Compact bone |
| What are the characteristics of compact bone? | It is rigid and dense, w/tiny canals that have tiny blood vessels |
| Bone tissue with many open spaces | spongy bone |
| What kind of bone provides most of the strength and support for a bone? | spongy |
| The soft tissue in bones | marrow |
| This produces both red and white blood cells. | Red marrow |
| Stores fat, and is found in the central cavity of long bones | Yellow marrow |
| Most bones start out as this flexible tissue. | cartilage |
| During childhood, most bones have ____ ______ of cartilage. | growth plates |
| What function do growth plates serve? | They provide a place for bones to keep growing |
| Two places on your body where cartilage is never replaced by bone. | The end of your nose and the top of your ear |
| A place where two or more bones meet. | joint |
| These allow your body to move when your muscles contract. | joints |
| These joints allow little or no movement. | Fixed joints |
| How are joints classified? | By how the bones in a joint move. |
| What kind of joint is your shoulder? | Ball- and- socket joint |
| These joints allow bones to glide over one another. | Gliding joints |
| This kind of joint lets your arm move freely in all directions. | Ball-and-Socket joints |
| Joints are held together by these. | Ligaments |
| These are strong , elastic bands of connective tissue which connect the bones | ligaments |
| What covers the ends of many bones and cushions the area in a joint where bones | cartilage |
| A joint in which one or more bones have been moved out of place. | dislocated joints |
| This injury happens if a ligament is stretched too far or torn. | sprain |
| This disease causes bones to become less dense. | osteoporosis |
| These factors make it more likely for people to develop osteoporosis. | Age and poor eating habits. |
| This disease affects the joints and makes them painful, swell or stiffen. | arthritis |
Created by:
SusanFernie
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