The Excretory System and The Nervous System

It has pores or tiny openings through which sweat comes out.

• kidneys

• spleen and lymph nodes

• lungs

• skin

• liver/ large intestine

It absorbs water from undigested foods.

• kidneys

• spleen and lymph nodes

• lungs

• skin

• large intestine

It is the main excretory organs which have millions of nephrons that filter the blood.

• kidneys

• spleen and lymph nodes

• lungs

• skin

• liver/ large intestine

It secretes bile and also absorbs drugs and other harmful substances in the blood.

• kidneys

• spleen and lymph nodes

• lungs

• skin

• liver

It removes worn-out red cells and other foreign cells.

• kidneys

• spleen and lymph nodes

• lungs

• skin

• liver/ large intestine

It is the largest bone in our body.

• femur

• humerus

• lungs

• skin

It is caused by overexposure to sunlight.

• boils

• fungal infections

• scabies

• skin cancer

It is a temporary storage bag for food.

• esophagus

• intestines

• pancreas

• stomach

It is an intersection that leads air to the respiratory tract and food to the digestive tract.

• larynx

• lungs

• pharynx

• trachea

A body organ that removes foreign cells and their waste is passed on to the blood for excretion

• large intestines

• liver

• lymph node

• skin