I think the answer is 1. after
Answer:
umm i really want to help u with this question but where is the diagram?
Explanation:
Answer:
I believe its option b. carbon dioxide.
Answer: i feel like color and size should be switched.
Explanation:
A group of similar (accoding to function) types of cells, when comes together to perform a specific function, then it forms a tissues.
When a group of similarly working tissues come together then they form an organ.
And this relation could be written as
cell > tissue > organ
So, organ is a collection of tissues and tissues are collection of cells.