Cells to systems

Question 1

What is the level of organization within a multicellular organism

Answer 1

cells
tissues (made of specialized cells)
organs (made of 2+ tissues)
systems (a group of organs working together to preform a vital task for organism to survive)
organism ( many systems working together)

Question 2

What are the 4 types of tissues in the human body

Answer 2

Epithelial tissue (forms a surface over other organs (skin))
Connective tissue (supports and holds together other tissues in the body)
muscle tissue (can contract and become shorter + fatter)
nerve tissue (sends electrical signals around the body)