Which two statements describe organ systems working together to bring oxygen to cells?
O A. Blood vessels carry oxygen from the lungs to the heart.
B. Cells use oxygen to turn nutrients from food into energy.
C. The lungs allow oxygen from the air to enter the blood.
D. The brain monitors the level of oxygen in arteries.

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number