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.
Answer:
Plants exchange two gases in the atmosphere i. e. oxygen and carbondioxide. Carbondioxide is entered into the plant body through small opening called stomata which are present on the surface of leaves. Carbondioxode is used as a raw material in the process of photosynthesis. Oxygen is produced in the end of photosynthesis process and releases in the atmosphere.
The purpose of the government performance and results act is to improve the confidence of Americans in the ability of the federal government to carry out agency missions reliably
Needles.
Sharing needles or things that you can eject through your skin (ex. drugs)
Infected tattoo needle that wasn't cleaned and disinfected properly
Answer:
The deficiency in this enzyme causes that it begins erroneously label other enzymes. Because the activating proteins are not properly labeled, they escape into spaces outside the cell and do not disintegrate substances inside the cells, that is, lysosomes cannot perform their function correctly. This causes waste products, which must include carbohydrates, lipids and proteins, accumulate in specific masses as inclusion bodies.
