Biology - 38.3 Excretory System

Which part of the digestive system eliminates solid wastes from the human body?

• kidneys

• liver

• pharynx

• rectum

Kidney's main job

• store urine

• absorb nutrients

• absorb liquid from solid waste

• filter blood

Tags

NGSS.HS-LS1-3

Nitrogen containing waste product of protein

hint: main component of urine

• Bile

• HCl

• Urea

• Glucose

Which of the following does a healthy kidney NOT remove from blood?

• excess water

• red blood cells

• excess salts

• urea

How many kidneys do mammals have?

• 1

• 2

• 3

• 4

Where is urea created?

• liver

• kidneys

• stomach

• all of the above

What is NOT a function of the kidneys

• remove waste from blood

• remove excess water from blood

• regulate pH

• absorb nutrients from blood

Correct path of urine in body?

• bladder -> urethra -> kidneys

• kidneys -> ureters -> bladder

• liver -> blood -> kidneys -> bladder

• kidneys -> bladder -> ureters

What organ allows us to exhale CO₂ from body?

• kidneys

• lungs

• liver

• rectum

Which of the following excreted from sweat glands in the skin?

• water

• salts

• urea

• all of the above