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r-ruslan [8.4K]
3 years ago
8

__________ reduces the oxygen content and increases the carbon monoxide of the mother's blood. This quickly reduces the oxygen a

vailable for the fetus. Further, the respiration rate slows and speeds up its heart. Nicotine and toxins appear in the blood.
Biology
2 answers:
kenny6666 [7]3 years ago
8 0

Answer:

smoking cigarettes .

Explanation:

Ivenika [448]3 years ago
4 0

Answer:

Smoking nicotine based product such as cigarette

Explanation:

When a pregnant mother smoke, she intakes various harmful chemicals such as lead, arsenic, nicotine, carbon monoxide etc. These harmful toxic substances directly mix with the blood and are carried to the fetus in the womb of the mother. The oxygen content in the blood reduces due to which the heart beat rate of the baby increases and there are high chances of baby developing some kind of respiratory disorder.

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gregori [183]

It has the strongest winds in the solar system

  • Neptune

Its orbit was used to predict the existence of another planet

  • Uranus

It is most well-known for its rings

  • Saturn

It has a giant storm three times the width of Earth.

  • Saturn

6 0
3 years ago
How does the transpiration cooling mechanism compare with the main cooling mechanism of mammals?
andrezito [222]
Like transpiration in plants mammal's hypothalamus makes sweat glands functional and mammal's body secretes sweat which on evaporation decreases the body temperature
5 0
3 years ago
Read 2 more answers
Vessels draining the myocardium of the heart, open primarily ,into which chamber?
Kitty [74]

Answer:

The vessels draining Myocardium of the heart join to form <u>Coronary Sinus </u> that ultimately opens into <u><em>THE RIGHT ATRIUM.</em></u>

Explanation:

<u><em>CORONARY CIRCULATION:</em></u>

The heart muscles are called as Myocardium. Circulation of myocardium is known as Coronary Circulation. The heart needs to work continuously and requires an uninterrupted supply of blood.

<u>Coronary Arteries</u> supply oxygen rich blood to the myocardium and <u>Coronary Veins</u> remove deoxygenated blood from heart muscles and join to form Coronary Sinus that ultimately drains into the Right Atrium of heart. Some veins from the myocardium also drains directly into the right atrium.

8 0
3 years ago
Which statement about the Earth's magnetosphere is FALSE? A) It is the name of Earth’s magnetic field. B) It is found only over
Veseljchak [2.6K]

The correct answer is option C

Reason:

The Earth's magnetosphere is the outer space in the space which it occupies and thus its existence over pole is a wrong statement

5 0
3 years ago
Why are isotopes with short half-lives not useful<br> for dating very old rocks?
ioda
Answer: Most rocks do not contain organic material-most fossils are not organic anymore. One of the most common isotopes used in radiometric dating is uranium-235 or U-235. ... This makes it useful for dating rocks that are very old. Radioactive isotopes with short half-lives cannot be used for dating old rocks.

not 100% sure :/
8 0
3 years ago
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