Science
Terms
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- pericardium
- membrane around the heart
- ventricles
- lower chambers of the heart that pump blood out of the heart
- osteoporosis
- condition in which the bones are very weak and break easily
- saliva
- fluid inside of the mouth
- pulmonary vein
- only vein in body rich in oxygen
- bronchitis
- inflammation of lining of the bronchial tubes
- septum
- thick wall dividing heart into two sides
- cardiac muscle
- like both smootha and skeletal muscles, involuntary but striated, doesn't get tired, heart
- esophagus
- food tube from mouth to stomach
- atria
- upper chambers of heart that recieve blood
- fracture
- break in bone
- lymphathic system
- network of veinlike vessles that returns the fluid to the blood stream
- marrow
- soft tissue inside bone where red blood cells are made
- digestion
- breaking down of food into a form the body can use
- epiglottis
- flap of skin that covers windpipe
- asthma
- bronchial spasm resulting in decreased air movement and air trapped in aveoli
- platelets
- helps to clot blood
- bronchioles
- smaller branches of bronchi
- calcium, chlorine, fluorine, iodine, iron, magnesium, phosphorus, potassium, sodium
- nine minerals
- alveoli
- tiny air sacs where the exchange of gases between air and blood takes place
- red blood cells
- carries oxygen to the body cells
- gallbladder
- organ that stores bile
- trachea
- tube leading from larnyx to bronchi
- cartilage
- connective tissue that is more flexible than bone
- small intestine
- most of digestion takes place in this tube-like organ(6 meters in lenght)
- villi
- tiny finger-shaped structure that lines the inside of the small intestine: digested food is absorbed through these structures
- semilunar
- valves found between the ventricles and blood vessels
- diaphragm
- flat sheet of muscle separating the chest cavity from the abdominal cavity
- capillaries
- blood vessels surrounding the air sacks
- stomach
- J-shaped muscular puch located in abdomen
- veins
- vessels that carry blood toward heart
- carbohydrates, fats, proteins, vitamins, minerals, waters
- the 6 nutrients
- glottis
- opening to windpipe
- enzyme
- substance that speeds up chemical reaction
- pulmonary artery
- only artery in body rich in carbon dioxide
- epidermis
- outer layer of skin
- epiglottis
- flap of tissue which prevents food from entering windpipe during swallowing
- pancreas
- triangular organ between the stomach and the first part of the small intestine- produces enzymes that flow in the small intestine
- capillaries
- tiny blood vessels with walls only one cell thick
- white blood cells
- fights disease germs
- joint
- place where two bones are joined together
- cancer
- disease where cells reproduce uncontrollably
- skeletal muscle
- striped, attached to bones, voluntary, triceps, biceps
- ligament
- tough bands that connect bones together
- bicuspid
- valve between left atrium and left ventricle
- larynx
- contains vocal cords
- absorption
- a passage of digested food particles into the blood stream
- tricuspid
- valve between right atrium and right ventricle
- follicles
- structures within the dermis from which hair grows
- pleura
- moist membrane covering the lung and chest cavity wall on each side
- vertebrae
- 26 small bones in back
- pneumonia
- infenction of lungs caused by bacteria, viruses, or fungi
- involuntary muscles
- muscles that we do not control(lungs, stomach, intestines, etc.)
- pharnyx
- area at back of throat where mouth and nasal cavity meet
- sprain
- ligaments are stretched or damaged
- voluntary muscles
- muscles that we can control(arms, legs, back, etc)
- large intestine
- last section of digestive system(1.5 meters) collects waste portion of undigested food- removes water before leaving body
- fats, dairy, protein, vegetable, fruit, carbs
- 6 food groups
- melanin
- pigment that gives skin color
- mucus
- thick substance produce by body
- dermis
- lower layer of skin
- bile
- substance that breaks up fat particles
- peristalsis
- waves of muscle movement that pushes food through the digestive system
- rectum
- short tube at the end of the large intestine
- bronchi
- the trachea divides into these right and left branches
- plasma
- liquid part of blood- keeps blood moving
- smooth muscle
- involuntary, smooth, not attached to bones, internal organs, stomach, intestines
- pores
- openings in skin
- arteries
- vessels that carry blood away from heart
- anus
- muscular opening at the end of the rectum