Answer:
The return of blood to the heart is assisted by the action of the skeletal- muscle pump. As muscles move, they squeeze the veins running through them. Veins contain a series of one-way valves, and they are squeezed, blood is pushed through the valves, which then close to prevent backflow.
I am guessing an Ecological Relationship as it is dependent on it's environment
Arthur si warm enough ti suportarla lige
They are absorbed in the small intestine, but I am not 100% sure if it is in the beginning or the middle.
Answer:
The correct answer is C. continued education
Explanation:
Education is important for both low and high-income countries for the prevention of disease in their people like HIV, tuberculosis. School education is very much important which provide information about the infectious and non-infectious disease to the children.
Educating children about the prevention of these diseases is important because school children are at the greatest risk of getting STDs. Education is one of the most cost-effective ways to prevent HIV, tuberculosis and other diseases. Therefore the correct answer is C. continued education.