Answer:Tissue
Explanation:Heart muscle cells beat in unison to push blood in timing with the rhythm of the heart, at the direction of nearby nerve cells. These muscle cells could best be called. Tissue. As cell division proceeds, the cells increase in number, but also become specialized in structure and function.
Answer:
Direct contact.
Explanation:
Since it was spread through facial tissue, physical contact is needed.
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As you stated before, cellulose is found throughout the cell walls of plant cells. Cellulose makes cell walls rigid, so that would indicate that cellulose is a carbohydrate.
The atomic number of an element is the same as the number of protons in the nucleus of an atom
III. enzyme pathways in the mitochondria produce ATP in a process that requires oxygen.