Doctors Past & Present
Q: What do doctors use to look inside the body without surgery?
A: Medical technology/tools such as X-rays or scans.
Q: What is an organ?
A: A group of tissues working together to do a function.
Q: What is the basic unit of all living things?
A: A cell.
Q: What is a microscope used for?
A: To magnify small objects so we can see them.
Q: What is an organ transplant?
A: Replacing a damaged organ with a healthy organ.
Q: What does STEM stand for?
A: Science, Technology, Engineering and Mathematics.
Q: Name three organs in the human body.
A: Example: heart, lungs, brain.
Q: Name three parts found in both plant and animal cells.
A: Cell membrane, cytoplasm, nucleus.
Q: What part of the microscope holds the slide?
A: Stage.
Q: Which organ system transports oxygen and nutrients around the body?
A: Circulatory system.
Q: Why do doctors need evidence before making a diagnosis?
A: To make a correct conclusion about a patient’s condition.
Q: Which organ pumps blood around the body?
A: Heart.
Q: What is the function of muscle tissue?
.
A: It contracts and produces movement
Q: Which focusing wheel makes the image clearer?
A: Fine focusing wheel.
Q: What is a biopsy?
A: A sample of tissue taken for examination.
Q: A doctor listens to a patient’s heartbeat using which tool?
A: A stethoscope.
Q: Which organs remove waste from the blood and make urine?
A: Kidneys.
Q: Which structures make plant cells green?
A: Chloroplasts.
Q: Why must specimens be thin?
A: Light needs to pass through them.
Q: Explain the order from smallest to largest.
A: Cells → tissues → organs → organ systems.
Q: A doctor finds bilirubin in urine and sees yellow skin. Which organ may have a problem?
A: The liver.
Q: Which human organ is most similar to a plant leaf? Why?
A: Lungs, because both exchange gases.
Q: Why do organs need different tissues?
A: Different tissues have different functions needed for the organ to work.
Q: A microscope has ×10 eyepiece and ×40 objective lens. What is the total magnification?
A: ×400.
Q: Why are organ donors important?
A: They provide organs that can save other people’s lives.