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The basic building blocks that make up all living organisms
What are cells?
Why are cells specialised?
To carey out a particular function
What is differentiation?
The process by which cells become specialised for a particular job
When does differentation occur?
During the development of a multicellular organism
How do these cells transport materials?
Cells → tissue → organs → organ system
What organisms have a different system for exchanging and transporting materials?
Large multicellular organisms
What is a tissue?
A group of similar cells that work together to carry out a particular function, which can include more than one type of cell
Whats the function of a muscular tissue? (In humans)
Contract to mi
Contracts to move whatever its attached to
Whats the function of a glandular tissue? (In humans)
Makes and secrets chrmicals like enzymes and hormones
Whats the function of the epithelial tissue? (In humans)
Covers some part of the body, eg. inside the gut
What is an organ?
A group of different tissues that work together to perform a particular tissue
Whats the function of a muscular tissue? (Stomach)
Moves the stomach wall to churn up food
Whats the function of a glandular tissue? (Stomach)
Makes digestive juices to digest food
Whats the function of the epithelial tissue? (Stomach)
Covers the outside and inside of the stomach
What is an organ system?
A group of organs working together to perform a particular function
What is the function of the glands? (Digestive system)
Produce digestive juices
What is the function of the stomach and small intenstine? (Digestive system)
Digest food
What is the function of the liver? (Digestive system)
Produces bile
What is the function of the small intestine? (Digestive system)
Absorb soluble food molecules
What is the function of the large intenstine? (Digestive systems)
Absorb water from undigested food leaving faces
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Flashcard (48)