1. Carlos Yulo is a famous Filipino gymnast who won gold medal last 2019 SEA Games. Bending and twisting his body are movements that he performed. Which of the following systems below work together to make his body function properly?

2. Playing basketball involves running, jumping and walking. What happens to our heartbeat when we walk, run and jump?

3. Our teeth help us grind food into pieces. It is also part of our skeletal and digestive system. What is the function of our teeth in digestive system?

4. Our brain controls our body. It is also protected by the skull. How do our skull and brain work together?

5. Which of the following activities below show the proper coordination of our stomach and small intestine?

6. Where does final digestion of food takes place?

7. When you exercise, your heart beats faster and you need air to breathe. What do you call the organ that allows you to breathe?

8. The food you eat enters first through your mouth and passes through the esophagus. After passing through the esophagus, where will the partly digested food go?

9. Where does the undigested food go?

10. When you are doing an exercise, how do your heart and lungs work together?