Human Biology

noun a pair of organs in the abdominal cavity of mammals that filter waste from the blood and excrete it in the form of urine

• The surgeon successfully transplanted a healthy kidney into the patient.
• My aunt is having surgery to remove a kidney next week.
• I heard that partying too hard can really mess up your kidneys.
• She has a heart of gold, but sometimes I think she doesn't have a kidney to spare.

noun a disease caused by a deficiency of vitamin C, characterized by swollen bleeding gums and the opening of previously healed wounds

• Scurvy is a disease caused by a deficiency of vitamin C.
• My great-great-grandfather was a pirate who suffered from scurvy.
• Matey, watch out for scurvy on the high seas!
• Neglecting to eat fruits and vegetables is like inviting scurvy into your life.