Part One: Video Lesson
Part Two: Practice Questions
1. Which of the systems is responsible for breaking down nutrients in the body in order to produce energy?
A. Digestive System
B. Respiratory System
C. Circulatory System
Answer: A. Digestive System
2. In the scientific process of “photosynthesis” green plants produce oxygen for humans to inhale. Humans then inhale oxygen into the lungs, but first it must pass a long tube that runs from the mouth to the lungs called the:
A. bronchi
B. bronchioles
C. trachea
Answer: C. trachea
3. A cardiologist is a doctor who has specialized knowledge of the circulatory system.
Which of the following patients is most likely to be treated by a cardiologist?
A. A patient who has recently passed a kidney stone
B. A patient who suffers from chronic heartburn and indigestion
C. A patient who has recently suffered from a heart attack
Answer: C. A patient who has recently suffered from a heart attack
4. The brain stem is most closely related to which system?
A. Digestive System
B. Nervous System
C. Circulatory System
Answer: B. Nervous System