Cell diversity

Question 1

What is an tissue?

Answer 1

• A tissue is a group of the same similar cells working together to perform a particular function such as the ciliated epithelial cells that line the respiratory tract to sweep debris-trapping mucus to keep airways clear.

Question 2

What are specialised cells?

Answer 2

• The specialised cells in a multicellular are arranged as tissue, organs and organ systems

Question 3

What is an organ?

Answer 3

• An organ is a collection of tissues working together to perform a larger function such as the function of the lungs as the organs of gas exchange

Question 4

What is an organ system?

Answer 4

• An organ system is a group of organs working together to perform a range of linked functions such as the digestive system which breaks down the large insoluble molecules to in our food to produce small soluble ones that can be absorbed into our blood stream.