jaundice

common condition in newborns, yellow colour of the skin and whites of the eyes, because of too much bilirubin in the blood

skin and eyes turn yellow, in adults can be from from liver disease

jeopardize

put in danger

joint

where your bones come together

jugular vein(s)

blood vessel in your neck

blood vessel (vein) located in the side of your neck. They drain blood from your head, brain, face and neck and move it to your heart

blood vessel located in the side of your neck that are sometimes used for hemodialysis
 

justify

prove, show