The force that attracts all matter to each other is gravity, i believe.
Biology is the study of natural science (nature) and it is important to humans cause we learn about it
Anemia is a condition where there is deficiency in healthy red blood cells or hemoglobin resulting in pallor or weakness. It results in low level of hemoglobin which is the protein that transports oxygen around the body. Lack of oxygen in the body will result to weakness, shortness of breath and dizziness. Nikoleta's symptoms of malaise, lethargy and being tired is usually caused by too much work of the heart. In anemic patient, the heart has to pump faster than normal because it has to supply red blood cells around the body. Since the heart is working double-time, it usually results to being tired, lethargic and malaise of the person with anemia. Nikoleta's pale skin is attributed also on the fact that she has low supply of red blood cells around the body. If Nikoleta is lethargic and always tired, little things may irritate her immediately, hence, her being cranky
The answer is series circuit.
