Answer:
Arteries carry blood away from the heart; veins carry blood back to the heart.
Explanation:
In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.
Generally, the cardiac cycle occurs in two (2) stages;
Diastole: in this stage, the ventricles is relaxed and would be filled with blood.
Systole: at this stage, the muscles contracts and thus, allow blood to be pushed through the atria.
The best description for arteries and veins is that arteries carry oxygenated blood away from the heart to other parts of the body such as brain, lungs, tissues, etc; veins carry blood that is low in oxygen content back to the heart.
Answer:
simple
Explanation:
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Actually to reduce cavities you need to brush you teeth at least 3 times a day.
But if you don't want cavities, plaque, or enamel on your teeth you should buy a very effective toothbrush and mouthwash to kep your teeth nice and clean.
You don't want Teeth with all kind of cavities in it, right? You want shiny and clean teeth. And to answer you question it all depends on what toothpaste you buy. Sensodyne Pronamel Gentle Whitening Toothpaste.
That toothpaste is designed for sensitive teeth and whitens your teeth. But it all depends on the person who buys the toothpaste and which one they like.
The type of toothpaste I use is Ultrabrite with advanced whitening. But as I said before, it is what the person likes...
I hope this answer helped you! :)
Answer:
superficial
Explanation:
Skin is the outermost layer of the body. It's the closest to the surface. Therefore it is supercial to the stomach, which is more "deep" inside the body.
Ex) The skin is superficial to the muscles
My answer would be to make sure to include the F.I.T.T principle (Frequency, Intensity, Time, and Type). I am not completely sure if it is correct so correct me if I am incorrect.
