10. What is a DOWN in football? •When the defense gets possession of the ball.

•When both knees must touch the ground.

•A chance to gain a first down.

•A coin toss

Ruth is 44 years old. at her medical checkup, her doctor notices that ruth's lymph nodes are enlarged. after some blood tests and a ct scan, ruth's doctor diagnoses her with ( ) , a cancer that typically starts in the lymphocytes and can spread to the bone marrow.