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4 years ago

Which structures allow for the removal of wastes from the developing fetus?

Physics

1 answer:

castortr0y [4]4 years ago

5 0

The fetus relies upon its mother as it develops. These are some of the things it needs:

<span>protection against knock and bumps, and temperature changes oxygen for respiration nutrients (food and water) </span>

The developing fetus also needs its waste substances removing.

The fetus is protected by the uterus and the amniotic fluid, a liquid contained in a bag called the amnion.

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3 years ago

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Eva8 [605]

Answer:

The pulling force F is 200 N

Explanation:

We note that the tension in a rope between two or three blocks is given by the relation;

Where we have;

m₁ → T₁ → m₂ → T₂ → m₃ → F

$T_1 = \dfrac{m_1}{m_1 + m_2 + m_3} \times F$

$T_2 = \dfrac{m_1 + m_2}{m_1 + m_2 + m_3} \times F$

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Therefore, by substitution, gives;

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