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zzz [600]
3 years ago
7

Ay increase by more than 170% to meet the body's increased o2 demands. this increase in cardiac output increases blood pressure.

but the accompanying increase in arterial pressure is relatively small—only about 40%. what limits this increase in blood pressure so that it doesn't reach dangerously high levels during exercis
Biology
1 answer:
Serhud [2]3 years ago
5 0
I believe the increase in blood pressure is limited by the Vasodialtion that causes arterial diameter to increase in the exercising skeletal muscle.
 Vasodilation causes increase in blood flow due to decrease in vascular resistance. The resistance produced mainly in the arterioles which is known as the systemic vascular resistance or the peripheral vascular resistance. The cardiac output is the function of heart rate and stroke volume and must be always on check.<span />
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Cardiac arrest in children is usually caused by respiratory failure.
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3 years ago
A woman and a man are both heterozygous for a recessive allele for a rare genetic disease. If they have one child, what is the p
omeli [17]

Answer:

Probability that at least one of them will be affected = 3/16 + 3/16 + 1/16 = 7/16

Explanation:

If both parents are heterozygous for a genetic disease; Xx and Xx

The offspring's they will produce will be as follows ; XX, Xx, xX, xx

  • Probability that first child will be affected = 1/4
  • Probability that first child will not be affected = 1 - 1/4 = 3/4
  • Probability that first child have it and second does not = 1/4 x 3/4 = 3/16
  • Probability that first child does not have it, second child have it = 3/4 x 1/4 = 3/16
  • Probability that both of them will have it = 1/4 x 1/4 = 1/16
  • Hence, Probability that at least one of them will be affected = 3/16 + 3/16 + 1/16 = 7/16

7 0
3 years ago
A normal polypeptide includes the following sequence of amino acids(Note:Each amino acid is named by a three-letter abbreviation
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Answer:

C

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The mutation seen is most likely due to a frameshift mutation. A nucleotide was added or removed without replacement. This shifted the codon reading sequence by one nucleotide. Therefore the codon downstream of the mutation will code for different amino acids.  

6 0
3 years ago
In your opinion, how do you think pollution impacts the water supply. Also state why this is your opinion.
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How is the red blood cell similar to a animal cell
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because humans and reptiles and other kind of animals have what's called DNA in nuclei

8 0
3 years ago
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