Cells → tissues → organs → organ system → organism
Cells – basic structural & functional units of living organisms
Muscular |
|
Glandular |
|
Epithelial | Covers outside of body & internal organs |
Tissues – a group of cells with similar structure & function working tgt
In stomach
Muscular | Contract to churn food |
Glandular | roduce digestive juice to digest food with enzyme & HCl |
Epithelial | Covers outside & inside of stomach |
Organs – a group of different tissues working together to perform specific function
Organ system – a group of organs working together to perform specific functions
Organisms – a group of organ system working together