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SpyIntel [72]
2 years ago
9

Yall, please answer quickly it would mean a lot to me! i hope you have a good year and a great day though (: (i will give brainl

iest)
Question
How is the muscular system related to the digestive system and the circulatory system? Choose the BEST response.



Question 4 options:

smooth muscle moves blood through arteries and partially digested food through the digestive system


the muscular system in NOT related to the digestive system and the circulatory system


muscle is needed to catch food to eat and muscle needs blood


skeletal muscle is used in the heart and the stomach

Question
Which of the follow organ systems are needed to be able to play soccer. Select ALL that apply.



Question 5 options:

Digestive System


Nervous System


Circulatory System


Respiratory System


Skeletal System


Muscular System
Biology
1 answer:
vfiekz [6]2 years ago
7 0

Answer:

Circulation and Digestion

The muscular system and the circulatory system work with the small intestine. The muscular system helps the small intestine break down food. The circulatory system works with the small intestine and gets nutrients to the rest of the body.

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In a population of 200, 86 individuals express the recessive phenotype. What percent of the population would you predict would b
Nitella [24]

Answer:

The correct option is;

D. 45%

Explanation:

From the Hardy- Weinberg law, we have;

p² + 2·p·q + q² = 1

p + q = 1

Where:

p = Dom inant allele frequency in the population

q = Recessive allele frequency in the population

p² = The percentage of individuals in the population that are hom ozygous dominant

q² = The percentage of individuals in the population that are homo zygous recessive

2×p×q = The percentage of hete rozyous individuals in the population

The number of individuals that express the recessive phenotype = 86

The number of individuals in the population = 200

The percentage of  individuals that express the recessive phenotype, q² = 86/200 = 0.43

Therefore;

q = √0.43 = 0.656

p + q = 1

p = 1 - q = 1 - 0.656= 0.344

∴ The frequency of  individuals that express the do minant phe notype, p = 0.344

The percentage of heterozyous individuals in the population = 2×p×q × 100 = 2 × 0.656 × 0.344 × 100 = 45.15% ≈ 45%

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Simplify the expression 2(3) +26–3).
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2(3) +26–3)

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