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The conduction system of the heart; traces the path of the electrical impulse that stimulates the he
Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into
Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers
With the research technique called brainbow, each neuron is labeled with a different color, ...
Alternative splicing of pre-mRNA for a muscle protein called α-tropomyosin
Cancer cells can move to new locations in the body, a process called metastasis