Why is it necessary for the body to regulate the chemical composition of the blood?
548318
Certain chemicals are potentially toxic to your brain and other body cells(e.g. Urea).If you allow them to build up and dont get them out of your blood they will slowly poison you and you will die. \n\nOther Chemicals block the actions of good chemicals that you need to stay alive (e.g. Carbon Monoxide takes the place of oxygen you suffocate to death, lactic acid inhibits muscular actvity). If you dont maintain a balance you cant function. Capisce?
1089779
blood is necessary to sustain all muscles within the body.  The heart is a big muscle.  Muscle needs oxygen in order to survive.  Without a proper blood supply, it will eventually die.
563896
The blood has a buffer pool of sodium bicarbonate to neutralize strong acid compounds coming out of the cells as waste products of the metabolism. When this buffer level is too low, acidosis is developed. The blood performs a balancing act in order to maintain the blood pH within the safe range of 7.3 to 7.45.
64280
The foundations of the endocrine system are the hormones and glands. As the body's chemical messengers, hormones (pronounced: hor-moanz) transfer information and instructions from one set of cells to another. Although many different hormones circulate throughout the bloodstream, each one affects only the cells that are genetically programmed to receive and respond to its message. Hormone levels can be influenced by factors such as stress, infection, and changes in the balance of fluid and minerals in blood.\n\nA gland is a group of cells that produces and secretes, or gives off, chemicals. A gland selects and removes materials from the blood, processes them, and secretes the finished chemical product for use somewhere in the body. Some types of glands release their secretions in specific areas. For instance, exocrine (pronounced: ek-suh-krin) glands, such as the sweat and salivary glands, release secretions in the skin or inside of the mouth. Endocrine glands, on the other hand, release more than 20 major hormones directly into the bloodstream where they can be transported to cells in other parts of the body. \n\nThe major glands that make up the human endocrine system are the hypothalamus, pituitary, thyroid, parathyroids, adrenals, pineal body, and the reproductive glands, which include the ovaries and testes. The pancreas is also part of this hormone-secreting system, even though it is also associated with the digestive system because it also produces and secretes digestive enzymes. Although the endocrine glands are the body's main hormone producers, some non-endocrine organs - such as the brain, heart, lungs, kidneys, liver, thymus, skin, and placenta - also produce and release hormones.\n\nThe hypothalamus (pronounced: hi-po-tha-luh-mus), a collection of specialized cells that is located in the lower central part of the brain, is the primary link between the endocrine and nervous systems. Nerve cells in the hypothalamus control the pituitary gland by producing chemicals that either stimulate or suppress hormone secretions from the pituitary. \n\nAlthough it is no bigger than a pea, the pituitary (pronounced: puh-too-uh-ter-ee) gland, located at the base of the brain just beneath the hypothalamus, is considered the most important part of the endocrine system. It's often called the "master gland" because it makes hormones that control several other endocrine glands. The production and secretion of pituitary hormones can be influenced by factors such as emotions and seasonal changes. To accomplish this, the hypothalamus relays information sensed by the brain (such as environmental temperature, light exposure patterns, and feelings) to the pituitary.\n\nThe tiny pituitary is divided into two parts: the anterior lobe and the posterior lobe. The anterior lobe regulates the activity of the thyroid, adrenals, and reproductive glands. Among the hormones it produces are:\n\ngrowth hormone, which stimulates the growth of bone and other body tissues and plays a role in the body's handling of nutrients and minerals \nprolactin (pronounced: pro-lak-tin), which activates milk production in women who are breastfeeding \nthyrotropin (pronounced: thigh-ruh-tro-pin), which stimulates the thyroid gland to produce thyroid hormones \ncorticotropin (pronounced: kor-tih-ko-tro-pin), which stimulates the adrenal gland to produce certain hormones \nThe pituitary also secretes endorphins (pronounced: en-dor-finz), chemicals that act on the nervous system to reduce sensitivity to pain. In addition, the pituitary secretes hormones that signal the ovaries and testes to make sex hormones. The pituitary gland also controls ovulation and the menstrual cycle in women. \n\nThe posterior lobe of the pituitary releases antidiuretic (pronounced: an-ty-dy-uh-reh-tik) hormone, which helps control body water balance through its effect on the kidneys and urine output; and oxytocin (pronounced: ahk-see-toe-sin), which triggers the contrac
60612
Proteins are necessary in order for numerous vital functions of your body to happen.  Simply stated, without protein synthesis, you would die.  Proteins are necessary for the execution and regulation of nearly everything that happens in your body.
546613
The heart is what pumps blood and is the centerpiece of the circulatory system. Without it the blood could not carry the nutrients the body needs. The lungs take in oxygen to help feed the bloodstream. Basically both organs do the same job, just in different ways and for the same end. Keeping YOUR blood infused with the nutrients the body requires to sustain itself. Hope this helps.
1140919
Blood is composed of several kinds of corpuscles; these formed elements of the blood constitute about 40% of whole blood. The other 60% is blood plasma, a fluid that is the blood's liquid medium, appearing yellow in color. The normal pH of human arterial blood is approximately 7.40 (normal range is 7.35-7.45). Blood that has a pH below 7.35 is acidic, while blood pH above 7.45 is alkaline. Blood pH along with arterial carbon dioxide tension (PaCO2) and HCO3 readings are helpful in determining the acid-base balance of the body. Blood is about 7% of the human body weight [1], so the average adult has a blood volume of about 5 liters, of which 2.7-3 liters is plasma. The combined surface area of all the erythrocytes in the human anatomy would be roughly 2,000 times as great as the body's exterior surface.\n\nThe corpuscles are:\n\n    * Red blood cells or erythrocytes (96%). In mammals, mature red blood cells lack a nucleus and organelles. They contain the blood's hemoglobin and distribute oxygen. The red blood cells (together with endothelial vessel cells and some other cells) are also marked by proteins that define different blood types.\n    * White blood cells or leukocytes (3.0%), are part of the immune system; they destroy infectious agents.\n    * Platelets or thrombocytes (1.0%) are responsible for blood clotting (coagulation)\n\nBlood plasma is essentially an aqueous solution containing 96% water, 4% blood plasma proteins, and trace amounts of other materials. Some components are:\n\n    * albumin\n    * blood clotting factors\n    * immunoglobulins (antibodies)\n    * hormones\n    * various other proteins\n    * various electrolytes (mainly sodium and chlorine)\n\nTogether, plasma and corpuscles form a non-Newtonian fluid whose flow properties are uniquely adapted to the architecture of the blood vessels.
66057
A general answer is Chemicals\nCertain chemicals trigger certain chemicals in your body
73051
All sorts of factors affect the suitability of the human body fluids to sustain life; these include properties like temperature, salinity, and acidity, and the concentrations of nutrients such as glucose, various ions, oxygen, and wastes, such as carbon dioxide and urea. Since these properties affect the chemical reactions that keep bodies alive, there are built-in physiological mechanisms to maintain them at desirable levels.\n\nHowever, it should be noted that homeostasis is not the reason for these ongoing unconscious adjustments. Homeostasis should be thought of as a general characterization of many normal processes in concert, not their proximal cause per se. Moreover, there are numerous biological phenomena which do not conform to this model, such as anabolism.
648423
Blood supplies oxygen to all the parts of the body, thus enabling all the organs and systems to continue to function. Without blood and the movement of it through your body, your body would shut down due to oxygen deprivation. The respiratory system provides the oxygen via breathing and then sends it everywhere via the cardio(heart) vascular(veins and arteries) system. Blood supplies the nutrients we eat via the digestive systems and removes all the wastes. The human body is an amazing invention if you really think about it and blood is the biggest part of the body and even counts as a body in homicide cases where the actual body can't be found. Good luck in your classes.
203245
Our body require metals ,yes the same metals that are  mentioned in the periodic table. But attention is to be paid towards the quantity and form. For example our body needs iron  ( Fe)  for the haemoglobin formation. It is the same iron that forms a nail. But you can not consume a nail . It has huge quantity of iron and we can’t digest it. Instead it should enter our body through leafy vegetables. \nMost of them are required in very small quantity or trace quantity . We cannot lose sight of this fact.
425518
Buffers are chemicals that help to regulate the pH level in your body. ie. acidic or basic. Your body can only function within certain range of pH, close to 7 (which is neutral). If the blood gets to basic, and acidic buffer will be sent out to level it off. If your blood becomes acidic, a basic chemical will be used to help regulate it.
728865
Apart from production of red cells and oxygen & carbon dioxide balance, the bones are the organs where calcium and phosphorous are stored when  excess in the blood thereby maintaining homeostasis...
533401
Blood has lots of functions.  It carries oxygen and nutrients.  It causes clotting.  It is the avenue which the kidneys use to remove waste from our bodies.
20719
You are probably referring to metabolism.  Metabolism is a collection of chemical reactions that takes place in the body's cells to convert the fuel in the food we eat into the energy needed to power everything we do, from moving to thinking to growing. Specific proteins in the body control the chemical reactions of metabolism, and each chemical reaction is coordinated with other body functions. In fact, thousands of metabolic reactions happen at the same time - all regulated by the body - to keep our cells healthy and working.
842731
The endocrine system is based upon the notion that a set of chemical signals, hormones, can travel through the body to regulate critical homeostatic mechanisms. These include things like sugar utilization (insulin and glucagon), reproduction (gonadotrophic hormones), heart rate (many hormones including adrenaline or epinephrine), temperature control (many hormones), feeding behaviors (hormones such as leptin and ghrelin), etc. By assessing the metabolic needs and survival requirements of various body tissues and cells, the endocrine system maintains the appropriate balance between differing control systems.
197825
Blood's role in the body is three fold: First, it acts as a transort system for nurtients and such to reach the different parts of the body. Secondly as a defence system, where lymphocytes are active in controlling pathogens that enter the body (such as bacteria, viruses, fungi, etc). Lastly, the blood acts as a sealant. When there is damage to the body, the platelets in the blood seal up the wound.\n\nBlood is very important to the body. Without it, you wouldn't exist.