Tissues, Organs And Organ Systems Flashcards
What is an organ?
An organ contains different tissues, working together to carry out a particular function
What is a tissue?
A group of cells with a similar structure and function
What is an organ system?
Groups of organs that perform a particular function
What do large multi cellular organisms develop systems for?
Exchanging materials
What do cells do during the development of a multi-cellular organism?
Cells differentiate so they can perform different functions
Give some examples of a tissue?
- muscular tissue
- glandular tissue
- epithelial tissue
What does the muscular tissue do?
Can contract to bring about any movement
What does Glandular tissue do?
Produces substances such as enzymes and hormones
What does epithelial tissue do?
Covers some parts of the body
The stomach is an organ that contains what?
Muscular tissue
Glandular tissue
Epithelial tissue
What is the function of the muscular tissue in the stomach?
To churn the contents
What is the function of the glandular tissue in the stomach?
Produces digestive juices
What is the function of the epithelial tissue in the stomach?
To cover the outside and inside of the stomach
What is the digestive system an example of?
A system in which humans and mammals exchange substances with the enviroment
What does the digestive system include?
- Pancreas
- Salivary glands
- Stomach
- Small intestine
- Liver
- Large intestine
What do the glands do in the digestive system?
Produce digestive juices
Where does digestion occur in the digestive system?
The stomach and the small intestine
What does the liver do in the digestive system?
Produces bile
Where does absorption of soluble food occur in the digestive system?
Small intestine
What happens in the large intestine in the digestive system?
Where water is absorbed from the undigested food, producing faeces
What do plant organs include?
Stems
Roots
Leaves
What does the epidermal tissue do in a plant?
Covers the plant
What does the mesophyll tissue do in a plant?
Carries out photosynthesis
What do xylem and phloem do in a plant?
Transport substances around the plant
Give examples of plant tissues
Epiderma tissue
Mesophyll
Xylem and phloem
