Q: Q: What system of organs delivers blood to all cells of the body? A: | OPTIONS:
- gastrointestinal
- respiratory
- integumentary
- cardiovascular
A: cardiovascular

Q: Q: In science, what can be described as a set of steps that help us to answer questions? A: | OPTIONS:
- theory
- hypothesis
- scientific controls
- scientific method
A: scientific method

Q: Q: The two ovaries are small, oval organs on either side of what part of the body? A: | OPTIONS:
- lungs
- heart
- pancreas
- uterus
A: uterus

Q: Q: What is the part of a plant whose primary role is to collect sunlight and make food by photosynthesis? A: | OPTIONS:
- roots
- stems
- seeds
- leaves
A: leaves