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Body Systems Review
Review of the body systems
| Question | Answer |
|---|---|
| Define tissue. | A group of similar cells that perform the same function. |
| Define homeostasis. | The process in which the body's internal environment is kept stable regardless of changing outside conditions. |
| How does your body tell you that you need food? | The brain sends signals to make you feel hungry. |
| What is a stimulus? | Something that makes an organism respond with a change in behavior. |
| Define joint. | Where two or more bones come together. |
| What are the three types of muscles and an example of each? | Cardiac - heart Smooth - digestive tract Skeletal - connects to bones |
| How do skeletal muscles work together? | They work in pairs for movement. One muscle contracts and pulls on the bone, the other relaxes. |
| How does the skin protect the body? | Keep diseases and bacteria out, prevent water loss |
| What system is the skin a part of? | Integumentary |
| How does the skin help regulate body temperature? | Sweating cools the body off |
| What is the job of the stomach? | A muscular organ that churns to continue mechanical digestion |
| Define veins. | Blood vessels that carry blood back to the heart. |
| Define arteries. | Blood vessels that carry blood away from the heart. |
| Define capillaries. | Tiny blood vessels with thin walls that allow for exchange of materials such as oxygen, carbon dioxide, and glucose. |
| What is the function of the respiratory system? | Bring oxygen into the body and release carbon dioxide. |
| Define respiration | The reaction between oxygen and glucose that releases energy, water and carbon dioxide |
| What does the nose do? | Bring in air filter, warm and moisten the air |
| What muscle helps our bodies bring in air? | The diaphragm |
| What is the function of the trachea (windpipe)? | The tube that connects the throat to the lungs. |
| What is the function of the diaphragm? | A muscle that contracts to pull air into the lungs and relaxes to push air out of the lungs |
| What is the function of the excretory system? | To collect and remove wastes from the body |
| What is the function of the kidneys? | Filters waste from the blood |
| Which excretory organ eliminates water through perspiration? | The skin |
| What are the parts of the central nervous system? | Brain and spinal cord. |
| What structures sends the signal throughout the body? | Neurons or nerves |
| What is the function of the endocrine system? | Make and release hormones |
| Interaction of circulatory an endocrine system | Blood vessels carry hormones throughout the body |
| Interaction of the nervous and muscular system | Your brain sends signals to make your muscles contract and relax |
| Interaction of the circulatory and skeletal system | Blood vessels bring oxygen to bone cells |
| Interaction of the muscular and respiratory system | Muscles around your lungs (diaphragm) help your lungs inhale |