organization of the human body

1. chemical

1. it includes atoms and formed atoms called molecules. ex. DNA, CHONP

cellular

molecules form cells, which is the basic unit of life. there are different cells such as skin cell, muscle cell, and nerve cells

tissue

a group of cells clumped together is called tissue. there are 4 different types of tissue. connective tissue, nervous tissue, epithelial tissue, muscular tissu

organ

organs are made up of 2 or more types of tissues. it forms a recognizable shape that has a specific function

organ system

an organ system is a collection of organs that have common functions that work together to create a system

organism

1. organism: an organism is a living individual that has many organ systems that function