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Really simply, they are the chromosomes which decide whether you’re a boy or a girl. In total we have 46 chromosomes so 23 pairs which sequence everything about us- from the colour of our eyes to the how ...

This question can be broken down. Sewage contains organic matter which can be broken down, and bacteria need nutrients which they can get from digesting organic matter. Any form of digestion with aerobic ...

Respiration occurs within the mitochondria, an organelle in all our living cells. Aerobic respiration occurs when there is sufficient oxygen for the body to completely breakdown glucose into carbon dioxid...

The word equation is:glucose + oxygen = carbon dioxide + water So the symbol equation is:C₆H₁₂0₆ + 0₂ = CO₂ + H₂0However this is not balan...

Breathe in, you can feel your chest expanding and your body lifting up. When you breathe in, oxygen in the air around us moves into our lungs. The air moves through tubes called bronchi which branch, like...