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written in full distinction level detail unit 8 biology assignments for btec level 3 first year.
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Iron: Minerals like iron are essential to growth and development in the body. Iron is especiallysignificant because it contributes to the synthesis of haemoglobin, which is a component of red
blood cells that transport oxygen from the lungs to every part of the body. It also provides oxygen to
muscles. Consequently, without adequate iron, the body cannot synthesize haemoglobin. Due to this
deficiency (also known as anaemia), the patient may feel extremely fatigued, have pale skin, and
experience rapid heart rates because of a lack of oxygen. Aside from that, the symptom of pale skin
is also indicative of anaemia due to there not being enough red blood cells to penetrate under the
skin's surface. Furthermore, anaemic people experience extreme fatigue due to the lack of oxygen
being delivered to their tissues and muscles, resulting in the muscles converting glucose into lactic
acid, which creates a feeling of exhaustion and fatigue. Last but not least, anaemia causes
rapid/irregular heartbeats, which happens when the heart must work harder for oxygen than it
would in a healthy body, thus rapid heartbeats occur. Subsequently, iron deficiency (anaemia) can
severely impair the body and lead to death in some people as serious symptoms like rapid heartbeat
can result in heart failure and coronary heart disease.
Vitamin K
The main functions of vitamin K are blood clotting and bone building. Moreover, vitamin K is found
in the liver as well as nearby tissues such as your brain, pancreas and heart. Furthermore, the
body stores excess amounts of vitamin K in its liver and fat tissues since vitamin K is a fat-soluble
vitamin, meaning that it cannot dissolve in water. Adding on to that, vitamin K is important for a
healthy functioning body as the vitamin activates the primary protein(prothrombin) needed for
blood clotting, without vitamin K the body will not be able to activate prothrombin which means
wounds will not heal and there will be excess bleeding. Severe blood loss can further lead to death
as the heart rate increases and blood pressure drops causing the patient to have a shortness of
breath until they pass out. In addition, vitamin K defiency symptoms may include: bruising - which
is caused by small damage to the blood vessels in the skin as when there is insuffient amounts of
vitamin K inactive osteocalcin flout around in the bloodstream, weakened bones. Symptoms such
as weakened bones can result in diseases such as osteoporosis as this vitamin aids the proteins
move calcium into your bones and preventing it being deposited into the blood vessels. This is
significant as it this then allows the bones to be calcified and hardened stopping fractures from
occurring. High intakes of vitamin K can prevent osteoporosis since it aids in the regulation of bone
remodelling by stimulating the osteoblast- to osteocyte – transition through limiting
osteoclastogenic.
Vitamin A -
Vitamin B -
Calcium – calcium is essential for the body as it strengthens the bones , maintains healthy teeth
and ensures blood clottin
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