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erik [133]
3 years ago
10

When soil becomes contaminated with __________, children can begin to show health issues.

Health
2 answers:
riadik2000 [5.3K]3 years ago
8 0

Answer:

answer is c

Explanation:

dem82 [27]3 years ago
5 0
The answer to this question is C. lead 
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The____ complex represents the time necessary for the impulse to travel through the bundle of His, the bundle branches, and the
Artyom0805 [142]

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.

7 0
2 years ago
This is my first question. just a question about health.
ladessa [460]

Answer:

I think infants and small children

Explanation:

Their body is still developing and kids are at a high chance if dying young anyways

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3 years ago
What is the difference between a plaintiff and defendant in a civil case? The defendant is the person or organization accusing a
IgorC [24]
The defendant is the person or organization with which an action is being brought against. For example: a man rear-ends a woman in a car accident. The woman can file a lawsuit to recover (get) money from the man for her medical injuries and damage to her car. The woman is the plaintiff suing the man who is the defendant.
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2 years ago
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