1. The food we eat breaks into smaller pieces that are transformed into nutrients and distributed to the different body parts to keep the it healthy. A Digestive and Circulatory System Excretory and Integumentary System C. Muscular and Skeletal System D. Respiratory and Circulatory System 2. As gas exchange takes place, oxygen is then transported into the entire body through the blood. A. Digestive and Circulatory System B. Excretory and Integumentary System C. Muscular and Skeletal System D. Respiratory and Circulatory System 3. These two work together for the body to move. A. Digestive and Circulatory System B. Excretory and Integumentary System C. Muscular and Skeletal System D. Respiratory and Circulatory System 4. Food transformed into nutrients then circulated through the tiny capillaries and blood. A. Digestive and Circulatory System B. Excretory and Integumentary System C. Muscular and Skeletal System D. Respiratory and Circulatory System 5. They both release liquid wastes to maintain chemical balance in the body. A. Digestive and Circulatory System B. Excretory and Integumentary System C. Muscular and Skeletal System D. Respiratory and Circulatory System