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2. An adult human body’s skeletal system is made up of bones.
a. 100 b. 206 c. 304 d. 600
3. The connects all parts of the body to the brain.
a. nerves b. brain
c. heart d. spinal cord
4. are the soft flesh under our skin.
a. muscles b. bones c. tendons d. nerves
5. The system supplies oxygen to all parts of our body.
a. circulatory b. respiratory
c. nervous d. excretory
II. Match the organs to their organ systems.
1. a. Circulatory System
2. b. Nervous System
3. c. Skeletal System
4. d. Digestive System
5. e. Respiratory System
III. Answer the following questions in one or two sentences.
1. What is an organ system? What does it do?
2. What is a skeleton?
22 22 | Arrow - EVS Plus-3
