Answer the following question given this paragraph: Respiration is the process in which gases are exchanged between the body and the outside air. Q: What is the main organ required for respiration in mammals? Choices: - the diaphragm - the heart - the brain - the lungs A:
the lungs

Answer the following question given this paragraph: Mendel investigated seven different characteristics in pea plants. In this chart, cotyledons refer to the tiny leaves inside seeds. Axial pods are located along the stems. Terminal pods are located at the ends of the stems. Q: Terminal pods are located at the end of what? Choices: - fruits - leaves - spines - stems A:
stems

Answer the following question given this paragraph: Kidney failure happens when the kidneys cannot remove wastes from the blood. If the kidneys are unable to filter wastes from the blood, the wastes build up in the body. Kidney failure can be caused by an accident that injures the kidneys, the loss of a lot of blood, or by some drugs and poisons. Kidney failure may lead to permanent loss of kidney function. But if the kidneys are not seriously damaged, they may recover. Q: What happens when the kidneys cannot remove wastes from the blood? Choices: - tissue failure - intestinal failure - choanocyte failure - kidney failure A:
kidney failure