Sturctural Organisation of Matter

Question 1

What is included in the chemical level?

Answer 1

Atoms (protons, neutrons, electrons)
Molecules (2 or more atoms joined together)

Question 2

What are the four biologically important organic molecules in the human body?

Answer 2

proteins
complex carbohydrates
nucleic acids
lipids

Question 3

What are the six levels of organization from smallest to largest?

Answer 3

chemical
cells
tissues
organs
system level (organ systems)
organismal (organisms)

Question 4

What are cells?

Answer 4

smallest, structural and functional units of the human body

Question 5

What are tissues?

Answer 5

group of cells and the material surrounding them that work together to perform a particular function

Question 6

What are organs?

Answer 6

composed of two or more tissues work together to provide specific functions and they usually have specific shapes

Question 7

What are organ systems?

Answer 7

consist of one or more organs that provide a common function
ex) integumentary system, skeletal, muscular, nervous