Food to Energy
What do cells need to release energy?
Oxygen and nutrients (food).
What gas do humans breathe in to help cells release energy?
Oxygen
What do calories show in food?
Energy.
Name one healthy habit that helps your body get energy.
Eating healthy food, sleeping, exercising, drinking water, etc.
What is bioinspired technology?
Technology inspired by living things or body processes.
What body system helps move nutrients and oxygen to the cells?
The circulatory system (blood).
What happens to your breathing after exercise?
It becomes faster.
Which food usually gives more energy: one with 50 calories or one with 300 calories?
The food with 300 calories.
Why is sleep important for the body?
The body rests and recovers energy.
Name one technology inspired by the human body.
Prosthetics, inhalers, pumps, filters, wearable devices, etc.
What organelle helps release energy inside the cell?
The mitochondria.
Why do cells need oxygen?
Cells use oxygen to release energy.
Name one thing you can find on a nutrition label.
Calories, sugar, fat, protein, serving size, etc.
What can happen if a person eats too much junk food?
The body may not get healthy nutrients or energy balance.
What body function is similar to an electrical pump?
The heart pumping blood.
Why does the body need food?
Food gives nutrients and energy for the body and cells.
What body system brings oxygen into the body?
The respiratory system.
Why are nutrition labels useful?
They help us understand what is in food and how much energy it gives.
Why is exercise important for health?
Exercise helps the body, muscles, heart, and energy systems stay healthy.
Why do scientists study the body to create technology?
The body gives ideas for solving problems and helping people.
Put these steps in order:
Cells — food — blood — energy — oxygen
Food + oxygen → blood → cells → energy.
Explain cellular respiration in one simple sentence.
Cellular respiration is when cells use oxygen and nutrients to release energy.
A student runs for a long time. Why might the body need more food and water after?
Because the body used energy and lost water during activity.
Explain how breathing and eating work together in the body.
Food gives nutrients and breathing gives oxygen; cells use both to release energy.
Compare one body process to a machine or factory process.
Digestion is like a grinder or processing line; blood vessels are like tubes; mitochondria are like power plants.