Our Organ Systems

Front

What is the primary function of the heart in the human body?

Back

The heart pumps blood throughout the body, supplying oxygen and nutrients to tissues and removing carbon dioxide and waste products.

Front

What organs are included in the respiratory system?

Back

The respiratory system includes the nose, trachea, lungs, nasal cavity, and nostrils.

Front

How many bones are present in an adult human body?

Back

An adult human body has 206 bones.

Front

What organ controls all the organ systems in the human body?

Back

The brain controls all the organ systems of the body.

Front

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

Back

The brain is responsible for thinking, memory, and controlling bodily functions.

Front

What is the function of the lungs in the respiratory system?

Back

The lungs facilitate the exchange of oxygen and carbon dioxide between the air and the bloodstream.

Front

What is the significance of the trachea in the respiratory system?

Back

The trachea, or windpipe, is a tube that connects the throat to the lungs, allowing air to pass through.

Front

What is the main purpose of the nasal cavity?

Back

The nasal cavity filters, warms, and moistens the air we breathe before it enters the lungs.

Front

What is the function of the nostrils?

Back

Nostrils allow air to enter the nasal cavity and are involved in the sense of smell.

Front

What is the role of the circulatory system?

Back

The circulatory system transports blood, nutrients, gases, and waste products throughout the body.