cellular organization

Question 1

what are cells ?

Answer 1

cells are the basic building blocks of all living organisms

Question 2

what are tissues?

Answer 2

a tissue is a group of cells with a similar structure and function

Question 3

what are organs?

Answer 3

organs are a group of tissues performing a similar function

Question 4

what is an organ system?

Answer 4

a group of organs that work together to do a job and form organisms

Question 5

what are the 8 organ systems in the human body?

Answer 5

-skeletal
-muscular
-circulatory
-respiratory
-nervous
-digestive
-urinary
-reproductive