topic 2 - organisation

Question 1

what are cells

Answer 1

the basic building blocks that make up all living organisms

Question 2

what is differentiation

Answer 2

the process by which cells become specialised for a particular job
occurs during the development of a multicellular organism

Question 3

what is a tissue and give examples in mammals

Answer 3

a group of similar cells that work together to carry out a particular function

muscular tissue which contracts to move whatever its attached to
glandular tissue , which makes and secretes chemials like enzymes and hormones
epithelial tissue, which covers some parts of the body

Question 4

what is an organ and give examples

Answer 4

a group of different tissues that work together to perform a specific function

e.g. the stomach organ is made of
muscular tissue, which moves the stomach and churns food
glandular tissue whwhich makes digestive juices to digest food.
epithelial tissue which covers the outside and inside of the stomach

Question 5

what is an organ system and give examples

Answer 5

a group of orans working together to perfomr a particular function

e.g. the digestive system

made of
glands
stimach and small intesting
liver which produces bile
large intestine