Body Systems Review

1. Which system moves needed substances, such as oxygen, to and from cells?

• Skin

• Skeletal

• Circulatory

• Muscular

25. How do organs come together to form organ systems?

• a. They compete with one another

• b. They change cells

• c. They work together to accomplish a task

• d. They do not form organ systems

24. Which is part of the central nervous system?

• a. Muscle cells

• b. Peripheral nerves

• c. The brain

• d. Bones

22. What are the two parts of the nervous system?

• a. CNS and PNS

• b. Digestive and respiratory

• c. Cells and tissues

• d. Muscular and skeletal

Which of the following systems work most closely together in order to supply the body with oxygen?

• a. Respiratory and digestive

• b. Circulatory and respiratory

• c. Digestive and nervous

• d. Skeletal and muscular

7. From where do humans acquire energy?

• a. Water

• b. Food molecules

• c. Oxygen

• d. Carbon dioxide

2. Which is a true statement about humans?

• a. Humans are multicellular organisms with simple bodies

• b. Humans are multicellular organisms with complex body systems

• c. Humans are unicellular organisms with simple bodies

• d. Humans are unicellular organisms with complex body systems

3. Which system in the body provides structure and support?

• Skin

• Skeletal

• Circulatory

• d. Muscular

4. Which is considered the smallest level of organization in a living organism?

• Cell

• b. Organ system

• Organ

• d. Tissue

20. Which system includes tissues that allow the body to move?

• a. The digestive system

• b. The circulatory system

• c. The nervous system

• d. The muscular system