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Human Body Structure
CH 7 Review of the Human Body
| Question | Answer |
|---|---|
| What are the four main levels of body organization (in order smallest to largest)? | cell, tissue, organ, organ system |
| What is the control center of a cell which controls all of its functions? | nucleus |
| What is the clear, jelly-like material filling a human cell other than the nucleus? | cytoplasm |
| What is the outer barrier of a human cell called? | cell membrane |
| What is a group of similar cells performing the same function called? | tissue |
| What are the four types of tissues? | epithelial, muscle, connective, nervous |
| What is the body's natural tendency to maintain calm regardless of outside stress? | homeostasis |
| What are two examples of homeostasis? | sweating and shivering |
| How many bones are in the adult human body? | 206 |
| Connective tissue (ligaments, tendons) help to | support the body |
| Give an example of a ball and socket joint | shoulder or hip |
| When muscles contract they get _______________. | shorter |
| What structure carries a nerve impulse toward the cell body? | dendrite |
| What structure carries a nerve impulse away from the cell body? | axon |
| What are the two types of nervous system? | central and peripheral |
| What two parts of the body is the central nervous system made up of? | brain and spinal cord |
| Endocrine glands release hormones into the ____________. | blood |
| Endocrine glands are controlled by | their own hormones |
| What is a place in the body where two bones meet? | joint |
| Give two types of joints. | ball and socket, hinge, gliding, immovable (like the skull) |
| What are the three main areas of the brain? | cerebrum, cerebellum, brain stem |
| What is the part of the brain that is responsible for speech and language? | cerebrum |
| Name the part of the brain that would cause loss of the ability to breathe on your own if damaged. | brain stem (it controls breathing and heart rate, both involuntary actions) |
| Name the part of the brain responsible for balance and coordination. | cerebellum |
| What are the three muscle types? | Striated or Skeletal, Smooth, and Cardiac |
| Where can cardiac muscle be found? | ONLY the heart. |
| Where can smooth muscle be found? | the lining of the stomach |
| Where can skeletal muscle be found? | in the muscle of the bones (helps with movement) |
| What it the endocrine gland that controls all of the other endrocrine glands called? | hypothalamus |
| Name three organs of the human body. | heart, kidney, lungs, liver, skin, eyes, pancreas, gall bladder, stomach |
| What is the substance that makes nerve impulses travel faster called? (without it, nerve impulses do not work fast enough--i.e. Multiple Sclerosis is one example of this disorder) | myelin sheath |
Created by:
johnsonpartyof4
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