Answer:
The circulatory system has evolved over time from simple diffusion through cells, in the early evolution of animals, to a complex network of blood vessels that reach all parts of the human body. Made of specialized and unique cardiac muscle, it pumps blood throughout the body and to the heart itself.
Claps shut at birth. Evolutionary changes in the vertebrate heart are tied to change from single to double-circuit heart, with increased separation of oxygenated and deoxygenated blood, allowing more efficient respiration and circulation to fuel high activity and increased oxygen demands associated with endothermy.
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Explanation:
The DNA double helix acts as a template for its own duplication. Because the nucleotide A will successfully pair only with T, and G only with C, each strand of DNA can serve as a template to specify the sequence of nucleotides in its complementary strand (more.
Answer:
you should have skills of drawing observe the diagram
Answer:
He identified that diseases are caused by malfunctioning cells.
That all cells arise from pre-existing cells.
There are <span>scientific (<span>Result: <span>505900</span> or 5.059e+5 (significant figures: 4, decimals: 0)) </span>figures</span> in the number 505900.
