1 00:00:05,870 --> 00:00:08,869 What is the heart and what does it function for? 2 00:00:08,869 --> 00:00:13,869 The heart is a muscle that pumps blood around the body. 3 00:00:22,300 --> 00:00:27,300 What does our blood do in the small intestine and in the lungs? 4 00:00:27,300 --> 00:00:35,299 In the small intestine it gets the nutrients and takes the oxygen in the lungs. 5 00:00:35,299 --> 00:00:45,469 How does our circulatory system work? 6 00:00:45,469 --> 00:00:53,469 The blood, CO2, goes to the lungs, where it takes the oxygen and builds the CO2. 7 00:00:53,469 --> 00:01:01,469 Then it goes back to the heart, which pumps someone in the body to deliver the oxygen and take the CO2. 8 00:01:01,469 --> 00:01:04,469 Then it goes back to the heart and it happens again. 9 00:01:04,469 --> 00:01:06,469 Healthy habits. 10 00:01:06,469 --> 00:01:12,469 Healthy is vegetal fats, olive oil and wood in the air. 11 00:01:12,469 --> 00:01:16,469 Avoid too many carbohydrates and fats. 12 00:01:16,469 --> 00:01:18,469 Do not eat too much salt. 13 00:01:18,469 --> 00:01:21,469 Exercise regularly. 14 00:01:21,469 --> 00:01:27,469 No, not smoke, no drink, alcohol.