Q: Fact 1: Arteries generally carry oxygen-rich blood. Fact 2: Arteries regulate blood pressure. Given the two facts above, what are arteries?

OPTIONS:
- pressure regulated
- to move people
- the body's largest organ
- solid, liquid, gas
- matter vibrating
- layers of fat
- principals of aerodynamics
- it keeps an organism warm

A: pressure regulated

Q: Fact 1: Migration is a type of movement that changes population size. Fact 2: Predatory animals migrate with the game animals. Given the two facts above, when game animals move elsewhere, what else does?

OPTIONS:
- relocation
- prey animals
- predatory animals
- migratory birds
- An object is seen
- migrants
- refract or absorb.
- barks and snarls

A: predatory animals

Q: Fact 1: Most invertebrates have a nervous system. Fact 2: Invertebrates Among the invertebrates, the largest number of species are insects. Given the two facts above, what do insects have?

OPTIONS:
- four limbs
- liver
- sensory neurons
- epidermis and dermis
- lizards
- spiders
- important habitats
- nervous system

A: nervous system

Q: Fact 1: Acactus stem is used for storing water. Fact 2: H2O is the scientific name for water. Given the two facts above, what can a cactus stem store?

OPTIONS:
- hydrogen
- CO2
- h2o
- H20
- O2
- liquid gold
- thorns
- rain

A:
h2o