Answer:
It's important to rid your garden of weeds because they rob your soil and your plants of important nutrients and water.
Explanation:
For Example: Certain weeds such as nut grass actually reduce crop yield on farms because their roots release chemicals that are harmful to surrounding plants.
Its basically saying something (object) at rest is going to stay there until something moves it like an outside object.
Answer:
C, you can try to add the iron in your diet first and see if it helps any at all, then see your primary care physician
Answer: The SA node
Answer choices are:
<span>A. </span>The AV node
<span>B. </span>The SA node
<span>C. </span>The purkinje fibers
<span>D. </span>The AV bundle
The SA node<span> is the heart's natural pacemaker consisting of a cluster of cells located in the upper part of the wall of the right atrium. (the right upper chamber of the heart). The electrical impulses are produced and sent out from there to regulate heartbeat. This is also called the sinus code. </span>
Answer:
Option A, by having a constant supply of blood
Explanation:
Blood that flows to the muscles bring oxygen from the atmosphere to the contracting muscles where it gets consumed. During large muscle exercise, two physiological needs arise – a) high and prolonged muscle blood flow and b) regulation of blood pressure so that there is adequate perfusion of pressure to all organs. In order to meet both the requirements, the blood flow increases so that the vasoligating muscles do not outstrip the cardiac output.
Hence, option A is correct
