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7th grade Body systems Review TEST II 2022

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