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The process of heart contraction stimulates by the initiation of an electrical impulse. This electrical impulse starts in the SA node.
<h3>What is the Heart contraction?</h3>
Heart contraction may be defined as a type of physiological activity that stimulates electrical impulses which are initiated by the sinoatrial node. Systole is significantly the contraction phase of the cardiac cycle.
The SA node is a small bundle of specialized cells that is remarkably located in the right atrium. The electrical activity escalates through the walls of the atria and induces them to contract. This action finally forces blood into the ventricles.
Therefore, the SA node is responsible for the initiation of impulses that stimulates heart contraction.
To learn more about Heart contraction, refer to the link:
brainly.com/question/14353904
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Answer:
Genetic screening is used for breast cancer.
X-rays are used for lung cancer.
Blood glucose screening is used to detect diabetes.
Explanation:
Breast cancer can run in your genes and be inherited, so can often be detected through a genetic screen.
X-rays can detect cancer of the lungs by discovering infections, etc.
Diabetes is a disease in which your pancreas does not produce enough insulin, which helps to regulate blood sugar levels. Doing a blood glucose(aka sugar) test can detect and monitor diabetes.
Answer:
Stems, roots, and stem all start and help with the growth process.
I mean of course all plants initally start from a seed but I think ur looking for the stem?
Explanation:
give me brealinizest plz
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