Human Body Systems

Front

What type of muscles are skeletal muscles?

Back

Voluntary muscles that can be controlled consciously.

Front

Which organ controls all activities in our body?

Back

Brain.

Front

What part of the nervous system do nerves belong to?

Back

Peripheral nervous system.

Front

What is a neuron?

Back

A nerve cell specialized to transfer messages in the form of fast-moving electrical energy.

Front

What is the large dome-shaped muscle used in breathing?

Back

Diaphragm.

Front

What is the function of the heart?

Back

Pumps blood throughout the body.

Front

What are involuntary muscles?

Back

Muscles that are not under conscious control, such as smooth muscles.

Front

What is the role of the lungs in the human body?

Back

Responsible for gas exchange, taking in oxygen and expelling carbon dioxide.

Front

What is the function of the liver?

Back

Processes nutrients and detoxifies harmful substances.

Front

What is the role of antibodies?

Back

Produced by the immune system to destroy pathogens.