Answer:
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The period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle. The period of contraction that the heart undergoes while it pumps blood into circulation is called systole.
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The answer Is A.
<em></em>Iron Deficiency will most likely impair a child growth and his/her overall learning abilities.
While most people focusing on protein and calcium for their child's growth, often time they forget about iron, which have a very important role in defining bone structure.
an iron deficiency will also lower the amount of our blood cells which will lead to Anemia, causing a constant fattigue, nausea, and dizziness and lower the childs mood, attention span, and ability to learn
The haustra (singular haustrum) of the colon are the small pouches caused by sacculation (sac formation), which give the colon its segmented appearance. The teniae coli run the length of the colon. ... Haustral contractions are slow segmenting, uncoordinated movements that occur approximately every 25 minutes.
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The answer is : increased resistance need to be added to the muscles.
Muscle conditioning refer to muscle strength and endurance. In order to improve it, you need to put your muscle in a harsher condition in a harsher condition than it used to be, so your muscle could adjust to it. That's why you should keep increasing the resistance