Topic 2- Stem Cells, Tissues And Organs Flashcards
What are stem cells?
Generalised cells which form all other cells in the process of mitosis
Where are stems cells found?
In all organisms
Where in the body are stem cells found?
In a large range of tissues?
What are multi cellular organisms?
Organisms made up of more than one cell
Why do cells become specialised?
To be able to perform specific functions and roles
Name 8 different specialised cells
Red blood cell Nerve cells Fat cells Skin cells Liver cells White blood cells Muscle cells Pancreatic cells
Where do stem cells for research come from?
Embryos
Why do researchers use embryonic stem cells?
They have large numbers of stem cells as they are growing quickly and all the different organs and tissues have to form
Only stem cells are able to divide by mitosis
True or false?
True
Why are stem cells important in the body?
For growth and repair of damaged tissues
What is a tissue?
A group of specialised cells working together
What is an example of tissue?
Skin tissue
What is an organ?
A group of tissues which don’t need to have the same function
What is an example of an organ?
The heart