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Cells & Body Systems
Body Systems
Question | Answer |
---|---|
function of the respiratory system | takes in oxygen, removes carbon dioxide |
function of the circulatory system | transports nutrients and wastes in the body |
function of the digestive system | breaks down food, absorbs nutrients, removes food wastes |
function of the nervous system | responds to stimuli |
function of the muscular/skeletal system | protection, movement |
function of the excretory system | removes metabolic wastes |
which system contains the lungs, nose, mouth & trachea | respiratory system |
which system contains the heart, arteries & veins | circulatory system |
which system contains the mouth, esophagus, stomach, small intestine, large intestine, liver & pancreas | digestive system |
which system contains the brain, spinal cord, nerves & sense organs | nervous system |
which system contains the muscles & bones | muscular/skeletal system |
which system contains the large intestine, bladder & kidneys | excretory system |
nucleus | directs all cell activities |
Chloroplast | capture energy from sunlight and use it to produce food for the cell |
Mitochondria | convert food molecules to energy |
Vacuole | store food, water, waste products and other materials |
Cell membrane | control what goes in and out of the cell |
Cell wall | protect and support the cell |
levels of organization | cell, tissue, organ, organ system, organism |
characteristic of life #1 | all living things are made of cells |
characteristic of life #2 | all living things use similar chemicals |
characteristic of life #3 | all living things obtain and use energy |
characteristic of life #4 | all living things respond to stimuli |
characteristic of life #5 | all living things maintain homeostasis |
characteristic of life #6 | all living things grow & develop over time |
characteristic of life #7 | all living things reproduce |
characteristic of life #8 | all living things adapt and evolve |