systems of the body Flashcards
8 life processes
movement,respiration,sesitivity,growth,reproduction,excretion,nutrition,orginasation
levels of the body
1.cell
2.tissue
3.organ
4.organ system
5.organism
cell
smallest unit of life, the building block of the organism
tissue
a group of cells that have a similar structure and preform the same specific function
organ
a collection of tissues that have adapted to preform a specific function
organ system
a group of organs that work together to preform one or more functions inn the body
skeletal system
bones in our body that maintain posture and protect organs
muscular system
muscles, tendons and ligaments that work together to maintain posture and move
respiritory system
allows us to inhale oxygen and exhale carbon dioxide
circulatory system
heart, capillaries, arteries and veins that pump blood around the entire body
digestive system
break down and absorb nutrients using stomach, esophagus, and intestines
nervous systems
brain and spinal cord that control our entire body
excretory system
responsible for removing waste from the human body
endocrine system
all the glands in our body that make hormones
reproductive system
all our sex organs that produce young
