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18 Cards in this Set
- Front
- Back
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enzymes
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any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
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liver
4 functions.... |
Makes glucose, some is stored in the liver as glycogen. It cleans your blood. Makes urea from parts of proteins that can't be used. Blood collects urea (poisonous) and sends it to the kidneys. Makes bile which travels from the liver to the small intestine
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bile
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A digestive juice which helps the body absorb fat from the gut into the bloodstream. It is stored in the gall bladder.
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homeostasis
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Maintenance of the internal environment
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Stimulus-response model
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Is to be able to maintain any changes in the body.
Stimuli need to be detected by receptors, if a response is required it then needs to be communicated to effectors to then correct the condition. |
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Stimulus
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Any changes or variations
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Negative feedback reactions
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the response is in the opposite direction to the stimulus
eg. decrease in blood glucose levels the negative feedback would be the increase in blood glucose levels |
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Nervous system
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- Is where your brain sends and receives information about what is happening in the body and around it. - Neurons are joined together to make nerves
- central nervous system and peripheral nervous system. - brain and spinal cord. |
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Endocrine system
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-Endocrine glands that secrete hormones into the bloodstream
Endocrine Glands: thyroid, pancreas, ovaries, testes |
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Cellular respiration
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Process in which cells produce the energy they need to survive.
Glucose + oxygen = carbon dioxide, water and energy |
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Alveoli
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Air sacks deep within the lungs.
Oxygen from inhaled air passes through the walls of aveoli and enters the bloodstream. |
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Circulatory system
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Structural elements: Heart, blood and blood vessels.
Heart is the engine of system transports oxygen and nutrients to organs and tissues throughout the body and carries away waste products. |
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-Arteries
-Veins -Capillaries |
-Carry blood away from the heart.
-Carry blood toward the heart. -Tiny links between the two |
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Digestive system
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Series of connected organs with a purpose to break down, or digest, food.
esophagus, stomach, small intestine, large intestine |
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Respiratory system
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intake of oxygen and removal of carbon dioxide are the main functions.
Nasal Passages, pharynx, larynx, trachea, alveoli |
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Spleen
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An organ that removes worn-out red blood cells from the bloodstream.
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Name the body systems....
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digestive, respiratory, circulatory, endocrine, lymphatic, reproductive, nervous, urinary, immune
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Gallbladder
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a muscular sac attached to the liver that secretes bile and stores it until needed for digestion
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