1. what are the levels of organization in the
human body (i. e. atoms--> molecules--> cells, etc.)

The levels of organization in the human body are;

Molecule

cell level

tissue level

organ level

system level

Explanation:

Molecules are made up of atoms, it is present in both living and non-living organism

Cell level; every living organisms are made up of cell organelles to perform their function. they form the basis of all living organisms

Tissue level; when cell forms together to perform a function is termed as tissue level

organ level; when tissues comes together is termed as organ to perform a particular function

system level; this involves every of the above mentioned levels to form a single system level and perform their functions