Q: The central nervous system is composed of the brain and what else? Choices: - the sclerotic cord - the dynamic cord - the lateral cord - the spinal cord A:
the spinal cord

Q: The most magnetic material in nature is what? Choices: - crystals - molecules - gold - magnetite A:
magnetite

Q: What are small organelles and are the site of protein synthesis called. Choices: - chromosomes - chloroplasts - chromosomes - ribosomes A:
ribosomes

Q: What basic structures are called the building blocks of life and comprise all living things? Choices: - pigments - seeds - lipids - cells A:
cells