Q: What is the term for the method of sending out ultrasound waves to determine the locations of objects? Choices: - catabolism - magnetism - morphology - echolocation A:
echolocation

Q: The heart, blood vessels, and blood make up which system in the body? Choices: - digestive - pulminary - respiratory - cardiovascular A:
cardiovascular

Q: What has the smallest, lightest atoms of all the elements and is colorless, odorless, tasteless and nontoxic, but highly flammable in its pure state? Choices: - helium - magnesium - barium - hydrogen A:
hydrogen

Q: What organ breaks down excess amino acids and toxins in the blood? Choices: - kidney - heart - lungs - liver A:
liver