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7th Body Systems
7th grade Body systems Review TEST II 2022
| Term | Definition |
|---|---|
| Bile | The enzyme that the liver produces |
| Pupil | The opening in the eye that allows light to enter |
| Urethra | The tube that carries urine from the bladder out to the outside |
| Bladder | The place where urine is stored |
| Hydrochloric Acid | The acid in the stomach |
| Kidneys | Blood is filtered in these organs |
| Olfactory | Special cells that aid in the sense of smell |
| Pyloric Valve | The valve that is between the stomach and the small intestine |
| Mechanical | Chewing is this form of digestion |
| Chyme | The thin watery fluid that food becomes in the stomach |
| Stimulus | Any change inside or outside the body that brings about a response |
| Optic nerve | The type of nerve that carries visual signals to your brain |
| Colon | A common name for the large intestine |
| synapse | The small space between neurons |
| Cerebellum | The part of the brain that controls voluntary muscles |
| Peristalsis | The muscular action that moves food through the digestive tract |
| Ureter | The tube that carries wastes from the kidneys to the bladder |
| Retina | Eye tissue that is composed of rods and cones |
| Mucus | This is something that you swallow that protects the stomach wall |
| Auditory Nerve | The type of nerve cells that carry sound signals to the brain |
| Axon | Carries messages away from the neuron cell body |
| Esophagus | Sometimes called the food tube |
| Dendrites | Receives neuron messages and sends them to the cell body |
| Cerebrum | The largest part of your brain |
| Reflex | Involuntary, automatic response to a stimulus |
| Lens | Focuses images onto the retina |
| Iris | Muscle wrapped around the pupil which also gives eyes their color |
| Tendon | Thick bands of tissue that attach muscles to bone |
| Marrow | The place in the bone where cells are made |
| Vertebrae | The bones that protect the spinal cord |
| Periosteum | The tough outer layer of bone |
| Hinge | Your knees and ankles are this type of joint |
| Compact | The hardest layer of bone |
| Quadriceps | The muscle in front of your femur |
| Clavicle | The collar bone |
| Femur | The thigh bone |
| Cartilage | The natural shock absorbers for your bones |
| Immovable | The type of joints in your skull and pelvis |
| Humerus | The bone in your upper arm |
| Involuntary | Muscles that work automatically without thought |
| Joint | Where bones meet or come together |
| Cornea | The front outer surface of your eyeball |
| Ligaments | Bands of tissue that keep joints in place |
| Minerals | The substances that make bones harden |
| Triceps | The muscle that contracts when you straighten your arm |
| Homeostasis | The process of keeping the body at the same levels so that it can function properly |
| Circulatory | The system responsible for delivering energy and oxygen to the cells whilst removing carbon dioxide from them. |
| Respiratory | The system responsible for gas exchange in the body |
| Alveoli | The place in the lungs where gas exchange finally occurs |
| Pulmonary veins | The only veins that carry oxygen-rich blood. |
| Arteries | Blood vessels that carry blood away from the heart |
| valves | One way doors inside the heart that only allow blood to flow in a single direction as it is squeezed through the heart |
| Cardiac | Heart muscles |
| Central Nervous System | The Brain and the spinal column |
| Neuron | a nerve cell |
| Iris | The part of the eye that gives it color |
| Veins | Blood vessels that carry blood back to the heart |
| Aorta | The largest artery in the body |
| Right Ventricle | The last place in the Heart to hold deoxygenated blue blood |
| Synapse | The space between two neurons |
Created by:
coach_fletcher
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