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yarga [219]
3 years ago
13

Everal of your friends have considered doing drugs, though you have warned against this. Lately, one of your friends has experie

nced memory loss and asthma-like symptoms. What might your friend be doing?
Health
1 answer:
alexandr1967 [171]3 years ago
3 0
Your friend might be smoking , perhaps marijuana.
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Answer:

a. QRS

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 right atrioventricular valve (AV) comprises of three (3) leaflets (flaps) which opens and closes in order to allow for the flow of blood from the right atrium of the human heart to the right ventricle. Also, the right atrioventricular valve is saddled with the responsibility of preventing blood from flowing backward in the mammalian heart.

The QRS complex represents the time necessary for the impulse to travel through the bundle of His, the bundle branches, and the Purkinje fibers to complete ventricular activation or contraction, known as ventricular depolarization. QRS is simply a combination of the Q-wave, R-wave and the S-wave which represents electrical impulses.

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Tia is always talking to her friends about how prevention is a better investment in your health than treatment. If that is her a
xeze [42]

I believe the answer is: Eat a well-balanced diet to increase energy and immunity


Even though physical activities improve both our energy and immunity in the long run, they are not as significant as maintaining well balanced diet in your life.

You need to make sure that you get your nutrients from various source of non-processed food in order to fulfill both your macronutrients and micronutrients.

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The answer is A it's because you can't see bicterial
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3 years ago
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What is the term used to describe drugs that often lead to searious and dangerous drug use?
Kaylis [27]

Answer: Gateway drugs

Explanation: Gateway drugs refers to the fact that the use of a psychoactive drug is associated with a greater probability of using more drugs. The theory about these drugs has been around for a long time. These drugs are easily accessible and may seem harmless to some extent, but they create addictions, leading the person to want to consume something stronger.

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Pls help me on this im confused​
Nataliya [291]

Answer:

Explanation:

You could get a ride from a friend that is not intoxicated. You could also order that person a ride from many apps such as uber. Or you could just choose to stay and wait until the effects of the alcohol wear off.

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