Q: Q: What is the pair of bean-shaped organs that filters blood and produces urine? Choices: - heart - lungs - arteries - kidneys A:
A: kidneys

Q: Q: What type of vertebrates control body temperature to just a limited extent from the outside by changing behavior? Choices: - etheric - endothermic - mimetic - ectothermic A:
A: ectothermic

Q: Q: In mammals, hair or fur help conserve bodily what? Choices: - food - energy - water - heat A:
A: heat

Q: Q: The cochlea and vestibul make up what part of the ear? Choices: - middle - upper - outer - inner A:
A: inner