Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
human body system
| Term | Definition |
|---|---|
| Tissue | A group of similar cells that perform a specific function. |
| Organ | A body structure that is composed of different kinds of tissues that work together. |
| Organ System | A group of organs that work together to perform a major function. |
| Gland | an organ that produces and releases chemicals either through ducts or into the bloodstream. |
| Hormone | The chemicals produced by an endocrine gland. A chemical that effects growth and development. |
| Stress | The reaction of a person's body potentially threatening challenging or disturbing events. |
| Interaction | The direct effect that one thing has on a another. |
| Stable | Resistant to sudden change. |
| Digestion | The process by which your body breaks down food into small nutrients molecules. |
| Nutrients | The substances in food that provide the raw materials the body cells the Body cells need to carry out all essential processes. |
| Absorption | The process by which nutrient molecules pass through the wall of the digestive system into the blood. |
| Carbohydrates | An energy rich organic compound such as sugar or starch that is made of the elements hydrogen and oxygen. |
| Peristalsis | Waves of smooth muscle contractions that move food through the esophagus toward the stomach. |
| Saliva | Fluid released from glands in the mouth that play an important role in mechanical and chemical digestion. |
| Enzymes | Proteins that speed up chemical reactions in the body. |
| Elimination | Act of elimination of materials from the body. |
| circulatory System | An organ system that transports needed materials to cells and removes waste. |
| Contract | To draw together to reduce in size. |
| Artery | A blood vessel that carries blood away from the heart. |
| Vein | A blood vessel that carries blood back to the heart. |
| Capillary | A tiny blood vessel where substances are exchanged between the blood and the body cells. |
| Lymph | Fluid that travels through the lymphatic system consisting of water white blood vessels and dissolved materials. |
| Bronchi | The two passages that direct air into the lungs. |
| Alveoli | Tiny thin walled sacs of lung tissue that specialized for the movement of gases between air and blood. |
| Excretion | The process of movement wastes. |
| nephron | Small filtering structure in the kidneys that removes. |
| Neuron | A cell that carries information threw the nervous system. |
| Synapse | The junction where one neuron can transfer an impulse to another neuron. |
| Impulse | The message carried by a neuron. |
| Brain | The part of the central nervous system that is located in the skull and controls most functions of the body. |
| Spinal Cord | Thick column of nervous tissue that links the brain to most of the nerves that branch out to the body. |
| Reflex | Automatic response that occurs without conscience control through the somatic nervous system. |
| Negative Feedback | The process by which a system is turned off by the condition it produces. |
Created by:
user-1718467
Popular Science sets