I. Directions: Read the statements/questions carefully. Choose the letter of the correct answer and write it on the space provided before the number.
1. The respiratory system is an equally important system of the body that we cannot live without. Why is it very important to the body?
A. It consists of body parts that help the body receive oxygen.
B. It enables carbon dioxide to get into the body.
C. It helps distribute carbon dioxide to the blood.
D. It enables the blood to circulate in your body.
2. It is the organ system that is responsible for eliminating wastes from the body. Removal of these wastes from the body is necessary because they become poisonous when they remain in the body for long. What is this body system called?
A. Digestive System
C. Nervous System
B. Excretory System
D. Respiratory System
3. It is the control unit of the body. Its function is to integrate and coordinate bodily activities. It is called
A. Digestive System
C. Nervous System
B. Excretory System
D. Respiratory System
4. In which part of the digestive system are proteins digested completely?
A. esophagus
B. large intestine
C. small intestine 9
D. stomach
5. Which organ takes nutrients from your food and puts it in your bloodstream?
A. esophagus
B. large intestine
C. small intestine
D. stomach
6. How digestive system work together with respiratory and circulatory system? Digestive system
A. carries nutrients to the circulatory system, while circulatory system digests food for the digestive system as it provides oxygen
B. digests food to be carry out by the circulatory system to the respiratory system as it provides oxygen to the digestive system.
C. digests food to be carry out by the respiratory system to the circulatory system as it provides oxygen to the digestive system.
D. provides food and oxygen to the circulatory and respiratory system.​