<span>The answer is through the placenta. The placenta is formed in the uterus of the pregnant woman. Its role is in the nourishment of the fetus. The placenta provides the fetus with nutrients and removes waste. The umbilical cord connects the placenta to the fetus and it serves as the transporting passageway. </span>
Basically a mental and or physical break down.
Answer:
the muscle tissues of arteries are thicker than the muscle tissues of veins.
Explanation:
the muscle tissues of arteries are thicker than those of veins because they carry oxygenated bloody to all the body parts(except the pulmonary artery)
The items that can contribute to heart disease is C. Nitrogen oxides and carbon monoxide. These are the chemicals that contribute to pollution. Carbon monoxide is the product from a combustion that can affect our respiratory system whenever we inhale this gaseous chemical. And nitrogen oxides can affect and penetrate areas of the body when inhaled in which our respiratory organs may be affected by diseases because of this chemical.
<em><u>Answer:</u></em>
Chronic stress, or a constant stress experienced over a prolonged period of time, can contribute to long-term problems for heart and <em>blood</em> vessels. The consistent and ongoing increase in heart rate, and the elevated levels of stress hormones and of <em>blood </em>pressure, can take a toll on the body.
<u><em>Explanation:</em></u>
*Hope this helps*
