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Science 7 Ch 3 Test
Question | Answer |
---|---|
coronary | brand of circulation that takes care of the heart |
organ | group of tissues specifically arranged to perform a definite function for the body |
spleen | largest lymphatic organ |
placenta | exchanges oxygen and nutrients between the blood of an unborn child and his mother |
diaphragm | dome-shaped muscle that helps in breathing |
lymph | tissue fluid is called this after it enters the lymphatic vessels |
ligaments | these connect bones in joints |
duodenum | first section of the small intestine |
trachea | scientific name for the windpipe |
liver | largest internal organ in the body |
enamel | substance that covers the crown of a tootth |
bile | substance produced by the liver that breaks up fat particles |
villi | hairlike tubes in the small intestine that absorb nutrients |
ball-and-socket | type of joints in the shoulder and hip |
melanin | primary pigment that causes skin color |
spinal cord | structure that controls simple reflexes |
alimentary | food travels through the body in this canal |
scapula | scientific name for the shoulder blade |
hormones | chemicals that regulate many automatic body functions |
central | part of nervous system that contains the brain and the spinal cord |
trunk | part of the body that contains most of the vital organs |
nerve | type of tissue that is able to conduct simple impulses through the body |
cranium | part of skull that surrounds and protects the brain |
arteries | blood vessels that carry blood away from the heart |
red | blood cells that carry oxygen through the blood |
ureters | tubes that carry urine from the kidneys to the bladder. |
pericardium | tough membrane that encloses the heart |
peristalsis | muscular contractions that push food through the esophagus |
cerebellum | part of the brain that controls balance and muscle coordination |
urinary | system that concentrates and removes liquid waste |
endrocrine | glands that control certain internal body functions |
muscular | system that provides movement for the body |
digestive | system in charge of breaking down food |
skeletal | system that supports the body and protects vital organs |
cardiovascular | transports nutrients and oxygen to cells carries wastes from cells |
integumentary | system that covers and protects the body |
nervous | system that controls other body systems |
respiratory | system that provides oxygen and removes carbon dioxide |
epidermis | top layer of skin |
dermis | middle layer of skin |
involuntary | muscles that work whether you think about them or not |
simple | type of fracture that DOES NOT break through the skin |
compound | type of fracture that DOES break through the skin |
axial | division of the skeleton that includes the head, spine and ribs |
appendicular | division of the skeleton that includes the bones of the appendages |
conception | when life begins |
alveoli | air sacs in the lungs |
system | a group of organs that function together to do a specific job in the body |
insulin | a hormone released by the islets of Langerhans to regulate sugar levels in the body |