There are many things that keep us alive, including:

• Oxygen: We need oxygen to breathe and to keep our cells functioning properly. Without oxygen, our bodies would quickly shut down.

• Water: Our bodies are made up of about 60% water, and we need to drink water to stay hydrated and to help our bodies function properly.

• Food: We need to eat food to get the nutrients and energy our bodies need to function. Our bodies break down the food we eat into glucose, which is used as fuel for our cells.

• Sleep: Getting enough sleep is important for our physical and mental health. During sleep, our bodies repair and regenerate cells, and our brains process and consolidate memories.

• Exercise: Regular exercise is important for maintaining a healthy body weight, building muscle and bone strength, and reducing the risk of chronic diseases like heart disease and diabetes.

• Medical care: Access to medical care, including preventive care like vaccinations and screenings, can help us stay healthy and catch health problems early.

Its important to note that these are just a few examples of the many things that keep us alive. The specific needs of each person may vary depending on factors like age, health status, and lifestyle.