Nutrition
This nutrient provides the body with energy and is found in foods like bread and rice.
What are carbohydrates?
This organ pumps blood throughout the body.
What is the heart?
The gas we inhale for respiration.
What is oxygen?
A combination of two or more substances that are not chemically combined.
What is a mixture?
The smallest unit of an element.
What is an atom?
The mineral that helps in the formation of strong bones and teeth.
What is calcium?
The liquid part of blood that carries nutrients and waste.
What is plasma?
The organ where gas exchange takes place in humans.
What are the lungs?
This separation technique is used to separate solid particles from a liquid using a filter.
What is filtration?
A substance made of two or more elements chemically combined.
What is a compound?
This vitamin is essential for good vision and is found in carrots.
What is Vitamin A?
The blood vessels that carry blood away from the heart.
What are arteries?
The process of breaking down glucose to release energy.
What is respiration?
The name for a mixture of metals, like steel or bronze.
What is an alloy?
The chemical formula for water.
What is H₂O?
The condition caused by a lack of iron in the diet, leading to tiredness and weakness.
What is anemia?
The part of the heart that prevents backflow of blood.
What are valves?
The tiny air sacs in the lungs where gas exchange occurs.
What are alveoli?
The process used to separate a liquid mixture based on different boiling points.
What is distillation?
The process by which compounds break down into simpler substances using electricity.
what is Electrolysis?
The process by which the body breaks down food into smaller molecules for absorption.
What is digestion?
The two main types of circulation in the human body .
What is double circulation?
The chemical equation for aerobic respiration.
What is glucose + oxygen → carbon dioxide + water + energy?
This method is used to separate dyes in ink or pigments in leaves.
What is chromatography?
Elements are arranged in periods and groups.
what is periodic table?