Excretion

What is the main organ responsible for excretion in the human body?

• Lungs

• Stomach

• Kidneys

• Liver

Which organ helps in removing carbon dioxide from the body?

• Kidneys

• Stomach

• Heart

• Lungs

What is the largest organ of the human body that plays a role in excretion?

• Heart

• Liver

• Skin

• Kidney

What is the process of removing waste products from the body called?

• Excretion

• Absorption

• Digestion

• Secretion

Which waste product is primarily excreted through the kidneys?

• Creatinine

• Glucose

• Carbon dioxide

• Urea

How do the lungs help in the excretion process?

• The lungs filter waste products from the blood

• The lungs store toxins for later removal

• The lungs remove carbon dioxide through exhalation.

• The lungs release excess water from the body

What is the outermost layer of the skin called that helps in excreting sweat?

• epidermis

• dermis

• hypodermis

• keratin

Which organ system is responsible for eliminating waste products from the body?

• Excretory system

• Digestive system

• Circulatory system

• Respiratory system

What is the name of the nitrogenous waste product excreted by mammals?

• Urea

• Bilirubin

• Ammonia

• Creatinine

Which organ filters blood to remove waste and excess substances?

• liver

• kidney

• stomach

• heart