Levels of organisation Flashcards
1
Q
what is a tissue
A
cells with a similar function grouped together
2
Q
what is an organ
A
a collection of several tissues carrying out a function
3
Q
what is an organ system
A
a job being done by several organs working together ( only in animals)
4
Q
what are the 7 main organ systems in the body
A
digestive system
gas exchange system
circulatory system
excretory system
nervous system
endocrine system
reproductive system
5
Q
do plants have organs
A
yes. like roots and leaves
