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:
I have a big test tomorrow; I can't go out tonight.
Explanation:
When you have a conjunctive adverb linking two independent clauses, you should use a semicolon.
I believe it would take at least six hours for it to take effect <span />
Joes way of hanging out with the wrong people can be a big factor of the problem with his substance addiction
Answer:
i think that you should just say ok and keep track on his phone and see what he is doing?? Just confront him about it and tell him how you feel about that you being his only girl, that you dont see that at all.
Explanation:
