![]() ![]() My mom and my friends say I should quit doing something, but I love all the things I do.What is your opinion of the rise of virtual actors and the fall of live ones, what do you think about virtual actors taking the place of live ones?.What do you do when you're lost when you can't concentrate and have lost your will to succeed? How can you get back on track?.How do I convince my parents to spend a few extra bucks to upgrade from a dial-up connection to broadband like a cable modem or DSL? They say I have to give some benefits for spending extra.How can I highlight my textbooks efficiently?.What tips can you give me for studying for a test on something I've read?.How do I choose a topic for a personal essay?.Is 8 hours of sleep really that important? I have too many projects and not enough hours in the day.What can I do if I think my teacher gave me the wrong grade?.What kind of careers are available for someone with a degree in English?.What does it mean to live in a credential society?.To study better, I want to get organized with some of the stuff I see advertised.How do I pull together all the notes I've taken to study for a test?.Is my summer vacation to Italy a good topic for my college essay? (I have pictures, too.).Will mentioning my race in my college essay increase my chances of getting in?.How do I get involved in classroom discussions without sounding stupid?.What is the easiest foreign language to learn? Which foreign language looks the best on college applications?.Is it common for people to be scared to go into high school? Can you give me some tips to survive?.How much outside class study time is recommended for every hour of class time for college freshmen?.I want to ask him on a date, but I'm not sure if I should, and if I should, how? There is a new guy at my school and I think he's cute, funny, and sweet, but he's really shy.A friend of mine told me that my favorite TV show jumped the shark." What does that even mean?".What are the best courses to take if I want to end up doing research in metaphysics?.Who was the first female Senator in the United States?.What should I consider when deciding whether to invest in a company?.How can banks afford to lend out so much money?.However, even these small quantities are required for the body to function properly. These last three metals are present in the body in very small quantities. Cobalt is a necessary component of vitamin B-12, a vital nutrient. Manganese is needed for the body to metabolize oxygen properly. Copper is also needed for several proteins to function properly in the body. Zinc is needed for the body’s immune system to function properly, as well as for protein synthesis and tissue and cell growth. Other transition metals have important functions in the body, despite being present in low amounts. It is the presence of this particular transition metal in your red blood cells that allows you to use the oxygen you inhale. Each hemoglobin molecule has four iron atoms, which act as binding sites for oxygen. The crucial atom in the hemoglobin protein is iron. Hemoglobin is a relatively large molecule, with a mass of about 65,000 u. Hemoglobin combines with oxygen and carbon dioxide, transporting these gases from one location to another in the body. The critical part of the red blood cell is a protein called hemoglobin. Without red blood cells, animal respiration as we know it would not exist. Red blood cells are cells that transport oxygen from the lungs to cells of the body and then transport carbon dioxide from the cells to the lungs. Iron is a transition metal and the chemistry of iron makes it a key component in the proper functioning of red blood cells. Because iron has relatively massive atoms, it would appear even lower on a list organized in terms of percent by atoms rather than percent by mass. The most abundant non-main group element is iron, at 0.006 percentage by mass. Most of the elemental composition of the human body consists of main group elements. To Your Health: Transition Metals in the Body ![]() Each group is located in a different part of the periodic table. Elements are either metals, nonmetals, or semimetals. ![]()
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