duodenum
what is the essential recycled substance in the digestive process?
mouth
Water
yes.
Lysosomes
one cannot predict the structure of the substance just by looking at its symbol. yes, we can predict the type of bonding,which can help us in determining the structure of the substance.
Cholesterol
Possession of a precursor is possessing something that can be used to manufacture something else. For instance, lithium batteries and sudafed tablets are precursors to manufacturing methamphetamine. Intent to manufacture a controlled substance means you possessed the precursors with the intentions of making something that is a controlled substance. Hire a lawyer ;-)
The structure of the digestive system is the esophagus, the salivary gland, liver, stomach, gall bladder, pancrease, and the large and small intestine.
an atom is the smallest part of any substance a substance has to be an atomic structure because every substance has at least one atom.
ivory
a lysosome