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.
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Answer:
The correct answer is <u>conducting a controlled experiment.</u>
Suzie had blood cancer which stiffened her body until she became paralyzed, we can now prevent this by taking healthy blood and filtering out the the cancer in the blood.
Answer:
The option that best identifies the profession illustrated in the following scenario is;
Biologist
Explanation:
A biologist is a professional that study living things, including humans, animals, plants, as well as the environment in which the living things live in such fields as zoology, botany, and ecology
The study of agronomy, which is a sub branch of botany is focused on the science and technology of how plants are made use of for food production, fuel, fibrous material, to restore the land, and for fuel
It is part of the function of the biology profession to study the living things such as genetically modified food and interaction on humans, and also to identify and classify plants and other living organisms, thereby, outlining their differences.
Answer:
The dental assistant should respond by explaining
The advantages and disadvantages of radiations.
That dental X-rays do involve radiation but the exposed levels are so low that they're considered safe for children and adults.
If the dentist uses digital X-rays instead of developing them on film .
reduces risks from radiation exposure are even lower.
Dental radiations are not involved in skin cancers.
It can also be said that the dental assistant are not held responsible for this condition
Explanation:
