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4 years ago

To keep food from entering your lungs, which systems must work together.

Biology

1 answer:

skad [1K]4 years ago

6 0

Answer:

The respiratory system includes the nose, mouth, throat, voice box, windpipe, and lungs. Air enters the respiratory system through the nose or the mouth. ... The epiglottis (eh-pih-GLAH-tus), a small flap of tissue, covers the air-only passage when we swallow, keeping food and liquid from going into the lungs.

Explanation:

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Widow's peak is dominant to straight hairline, and freckles are dominant to no freckles.

xenn [34]

The phenotype ratio would be 25% each for widow's peak and freckles, widow's peak without freckles, straight hairline with freckles, and straight hairline without freckles.

<h3>Dihybrid crossing</h3>

Genotype of the heterozygous parent: HhFf

Genotype of the other parent = hhff

Crossing the two parents:

HhFf = 1/4 = Widow's peak, freckles

Hhff = 1/4 = Widow's peak, no freckles

hhFf = 1/4 = straight hairline, freckles

hhff = 1/4 = straight hairline, no freckles.

More on dihybrid crossing can be found here:brainly.com/question/1185199

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2 years ago

Valentina is at the beach and decides to head out into the water for a swim. As she swims away from shore, she gets caught in a

lozanna [386]

Remain calm
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Draw attention ( if she does not now how to swim)

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2 years ago

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A cell that has two of every kind of chromosome is

deff fn [24]

Answer:

B. diploid

Explanation:

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3 years ago

The structure labeled as x is the ____ so the cell in the image is a ____ the structure labeled as w is the ______ so the cell i

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Mass. Protocol . Hydrated. Particle

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3 years ago

Question 7 of 10

ludmilkaskok [199]

Answer:

The answer is D

Explanation:

As the cell is mostly dependant on ingested materials so this will help the cell to grow and perform other important activities in the cell

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3 years ago