<span>The first part of the cell theory states that all living things on Earth are comprised of cells; this portion of the cell theory was determined by botanist Matthias Schleidan. The second part, determined by zoologist Theodor Schwann, states that cells make up the basic units of every living thing. Physician Rudolph Virchow was responsible for the third part, which states that living cells stem from other living cells.</span>
Answer:
Genes
Explanation:
Genes are series of nucleotides that carry information for traits
The major organ of the circulatory system that causes blood to flow through the body by its pumping action is the heart.
Answer:
C. 22
Explanation:
I just studied this last week
The speed at which neural impulses are transmitted.
Diameter of the axon
Degree of