Oxygen and carbon dioxide are the gases transported by the red blood cells. Oxygen is collected from the air in the alveoli to the blood capillaries. It binds to the heme group in <span>the haemoglobin<span>, which confers the red colour to the red blood cells where it is contained. </span></span>Carbon dioxide moves the other way around, from capillaries to alveoli. They are transported by the red blood cells when oxygen is exchanged by carbon dioxide from the cells' metabolism.
Answer:
Amnesia is when someone loses their memory.
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<span>Sharp, piercing chest pain over the center or left side of the chest, which is generally more intense when breathing in.</span>
Locomotor is the act of moving from one place to another
What does challenge mean to you
