Answer:
to remove carbon dioxide from the body
Explanation:
I am pretty sure that's the right answer.
The charge by the nucleus of a atom has a negative charge.
Answer:
It contains partial positive and negative charges.
Explanation:
A hydrogen bond is a non-covalent bond between a partial negative charge and a partial positive charge. Hydrogen bonds tend to be weak. Hydrogen bonds tend to be transient.
Also the alimentary canal or digestive tract
DNA and RNA both contain a cyclic nitrogenous base, a posphate group and a five-carbon sugar. These are the base units of nucleotides which make up nucleic acids. DNA contains the nitrogenous bases; adenine, thymine, cytosine and guanine wheresas RNA contains the bases; adenine, thymine, cytosine and urasil. DNA codes for the nucleotides in an RNA molecule, whereas DNA codes for the amino acid sequence in a protein