How can we help?

You can also find more resources in our Help Center.

12 terms

Human Body Systems & Organization Levels

STUDY
PLAY
cell
the basic units of structure and function within the human body
tissues
a group of specialized cells that work together to perform the same function
organs
structures that are composed of 2 or more different kinds of tissue
system
a group of 2 or more organs that work together to perform a specific function
circulatory system
transports blood to all parts of the body throughout the body
respiratory system
provides gas exchange (O2 & CO2) between the blood and the air
digestive system
breaks down foods into nutrients that can be used by the body, absorbs nutrients, & rids body of solid wastes
excretory system
filters out cellular wastes, toxins, and excess water resulting from cellular respiration
nervous system
receives & interprets stimuli from inside & outside the body to intitiate responses for survival
muscular system
provides movement
skeletal system
provides support for the body, protects internal organs, & provides attachment sites for muscles
integumentary system
skin, provides protection from infection & injury, prevents loss of water, helps regulate body temperature, & gets rid of waste