Chloroplasts are used to help plants work with photosynthesis. Because humans can eat and create their own energy, they don’t need chloroplasts. Plants however, don’t have the ability to eat. Therefore the chloroplast is there to convert sunlight into energy.
48 hours<span>Most plaque hardens within 48 hours of formation, and within several days it will become so hard that it is almost impossible to remove. This hard substance is tartar and the only way to remove it is to see your dentist for a professional scraping of your teeth.
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Answer:
Transport of nutrients, oxygen, and hormones to cells throughout the body and removal of metabolic wastes (carbon dioxide, nitrogenous wastes).
Explanation:
See above.
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Jaundice develops when there is too much bilirubin in the blood. Bilirubin is a yellowish pigment found in hemoglobin. Hemoglobin is a protein in red blood cells that carries oxygen and gives blood its red colour. Our bodies constantly make new red blood cells. When old red blood cells break down, they release bilirubin.
