Answer:Organ — a group of tissues precisely arranged so that they can work together to perform specific functions. Examples include: Liver.
Explanation:
Answer:
This occurs in the first trimester of pregnancy and is called implantation.
Explanation:
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Answer:
The smallest functional unit of matter: Atoms
An atom has 3 subatomic parts: Electrons, neutrons, and protons.
PROTONS carry a positive charge and are located in the: center of the nucleus in the atom.
Explanation:
They are both built over time