Excretory System Quiz

Which organ makes urine?

• Lungs

• Kidneys

• Skin

• Heart

The brain part that controls voluntary actions:

• Cerebrum

• Medulla

• Cerebellum

• Thalamus

Which waste is removed when we breathe out?

• Urea

• Oxygen

• Carbon dioxide

• Sugar

The liquid waste that comes out through urination is:

• Sweat

• Urine

• Water

• Blood

Receptors in the ear detect:

• Light

• Pressure

• Sound

• Heat

Which organ of excretion has sweat pores?

• Skin

• Lungs

• Brain

• Bladder

The part of the brain that controls heartbeat and breathing:

• Cerebrum

• Medulla

• Cerebellum

• Hypothalamus

What carries messages in the nervous system?

• Muscles

• Neurons

• Glands

• Bones

The waste that comes out in sweat includes:

• Urea

• Oxygen

• Sugar

• Fat

Which neurons carry signals from the brain to muscles?

• Interneuron

• Motor neuron

• Sensory neuron

• Reflex neuron