3 A hydrogen bond
Forms between two molecules that have H-O, H-N, or H-F
They are called microscopic anatomy as the cell, tissues and organs are internal and needs a microscope for it to be seen inside the body.
Answer:
D is rhe answer of rhis question.
Explanation:
collection of cells make tissue, collection of tissues form organ, similarly group of organs combine to form a system and when these systems combine it forms a whole body of organism.
