B2 Cell Organisation
What Is A Tissue
A group of similar cells that work together to carry out a particular function
What Is A Organ
Group of different tissues that work together to perform a particular function
What Is The Organ System
A group of organs working together to perform a particular function
What Does A Muscular Tissue Do
Contracts to move whatever it is attatched to
What Do Glandular Tissue Do
Makes and secrets chemicals like enzymes or hormones
What Do Epithelial Tissue Do
Covers surfaces on our body
What Does The Muscular Tissue Do In The Stomach
Moves the stomach wall to churn up the food
What Does The Glandular Tissue Do In The Stomach
Makes digestive juice to digest food
What Does The Epithelial Tissue Do In The Stomach
Covers the inside and outside of the stomach
What Organs Form the Digestive System
Glands
The Stomach
Small Intestine
Liver
Large Intestine
Function Of Glands
It is the pancreas , salivary glands , Produces digestive juices
Function Of Stomach / Small Intestine
Digest food
Function Of Liver
Produces bile
Function Of Small Intestine
Absorbs soluble food molecules
Function Of Large Intestine
Absorbs water from undigested food , leaving faeces
Organ Systems Work Together To Form
Organism
Explain, using an example, why the digestive system is considered an 'organ system'
The digestive system is considered an organ system because it consists of a group of organs...
! that work together to perform the common function
! of digesting and absorbing our food
! For example the pancreas releases digestive enzymes which help break down the food molecules, while the small intestine absorbs the nutrients