Question | Answer |
Macromolecule | Large molecule made up of small molecules that are linked together |
Metabolism | Total of all the chemical reactions that occur in the organism |
Essential Nutrient | Nutrient that must be obtained by food |
Carbohydrates | Macromolecules: Provide short term or long term energy storage |
Monosaccharides | Simple sugars |
Disaccharide | Made up of two monosaccharide molecules |
Polysaccharide | many links of monosaccharide (chain) |
Glycogen | polysaccharide made up of glucose |
Lipid | Compound that does not dissolve in water |
Amino Acid | Building block of protein |
Peptide Bonds | Holds together the amino acids |
Polypeptide | Several amino acids linked by peptide bonds |
Hydrolosis | Water breaks macromolecules into smaller molecules |
Enzyme | Protein molecule that helps speed up the chemical reactions in the body |
Ailmentary Canal | Mouth at one end, Anus at the other |
Mechanical Digestion | Physical break-down of large pieces of food |
Chemical Digestion | Chemical Breakdown of nutrient molecules by enzymes |
Salivary Glands | glands that produce saliva to start chemical digestion |
Saliva | Watery secretion of the mouth |
Esphogaus | Muscular tube which allows food to pass |
Peristalis | Wave like series of muscular contractions |
Bolus | smooth soft mass of food |
Esphogeal Sphincter | entrance to the stomach |
Gastric Juices | Muscus that is produced by glands in the stomach aids in digestion |
Chyme | Liquid made up of gastric juice and digested food |
Pepsin | Enzyme in Gastric Juices |
Pyloric Sphincter | end of the stomach pushes out chyme |
Duodenum | section of the small intestine into which food passes from the stomach |
Villi | Improves absorption of nutrients found lining the surface of the small intestine |
Jejunum | follows immediately after duodenum |
Ileum | follows after the jejunum |
Bile | Fluid secreted by the liver that helps fight digestion |
Pancreas | Secretes pancreatic fluid into the duodenum each day |
Liver | largest internal organ |
Gall Bladder | Stores bile between meals |
Respiratory Systems | Provides living things with oxygen and gets rid of waste |
Respiration | process involved in bringing oxygen into the body |
Inspiration | Drawing oxygen air into the lungs |
Expiration | releasing waste air |
External Respiration | exchange of oxygen and carbon dioxide between the inspired air |
Gas Exchange | delivery of oxygen and elimination of carbon dioxide from the blood to the lungs |
Internal Respiration | exchange of carbon dioxide and oxygen between the blood and body's tissue |
Cellular Respiration | energy releasing chemical reactions that take place in the cell |
Ventilation | process of moving an oxygen containing medium over the respiratory surface |
Pharynx | passageway that connects the mouth and nasal cavity to the larynx and esophagus |
Trachea | Windpipe |
Glottis | opening of the Trachea |
Larynx | Between the glottis and trachea that contains the vocal cords |
Bronchi | Passageway that branches from the trachea to the lung |
Bronchiole | branches from each bronchus inside the lung into smaller thin walled tubes |
Alveolus | tiny air sacks found at the end of a bronchiole |
Hemoglobin | protein in red blood cells |
Circulatory Systems | Transports blood, nutrients and waste around the body |
Heart | Muscular organ that pumps blood through the body |
Blood Vessels | hollow tube that carries blood to and from body tissues |
Blood | fluid that transports nutrients, O2, CO2 through out the body |
Pulmonary Artery | Blood Vessel that carries blood from the heart to the lungs |
Pulmonary Veins | Blood vessel that carries blood from the lungs to the heart |
Aorta | Artery that carries blood from the heart to the arteries |
Atrioventricular Valve | valve between the ventricle and atrium |
Semilunar Valve | valve between the ventricle and large arteries ; carries blood away from heart |
Arteries | Carry blood away from heart |
Veins | carry blood towards the heart |
Capillaries | smallest blood vessels ;spread throughout the body |
Plasma | clear yellowish fluid in the blood |
Red Blood Cells | Hollow red cells that transport oxygen |
Platelets | Fragments of cells that forms when larger cells in the bone marrow break apart |
White Blood Cells | Fight Viruses |
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