Keeping Clean and Healthy — Practice Quiz

Cycling and swimming

Cycling and swimming are outdoor activities that make our body move and become strong. These exercises make our heart, muscles, and lungs work well. Activities like watching TV or using mobile phones do not give our body any exercise. Regular exercise keeps us fit, happy, and healthy.

They help to make the air clean and fresh

Trees and plants take in the bad gas called carbon dioxide and give out fresh oxygen for us to breathe. This makes the air around us clean and fresh. That is why we should grow more trees. Places with many trees have fresher and cleaner air than places without trees.

To prevent flies and cockroaches from sitting on it and spreading diseases

Flies and cockroaches carry germs on their bodies. When they sit on uncovered food or water, they leave germs behind. When we eat or drink that food, the germs enter our body and make us sick. Keeping food and water covered is a simple but very important habit to stay healthy and safe.

Smoke from cars and factories

Cars and factories burn fuel and release smoke into the air. This smoke has harmful gases and tiny particles that make the air dirty. Breathing dirty air can cause health problems like coughing and difficulty breathing. Trees help clean the air, but we should also try to reduce smoke by using fewer vehicles.