Body Systems Flashcard 1

Front

What is the function of the diaphragm muscle?

Back

The diaphragm attaches to the lungs and contracts and relaxes to help in breathing.

Front

What are the air sacs in the lungs where gas exchange takes place?

Back

Alveoli are the air sacs in the lungs covered with capillaries where oxygen leaves the lungs and enters the bloodstream.

Front

What is a group of tissues that perform a similar function called?

Back

A group of tissues that perform a similar function is called organs.

Front

What do your lungs take in when you breathe?

Back

Your lungs take in oxygen and remove carbon dioxide.

Front

Which of the following is NOT an organ: Skin, Lungs, Mitochondria, Brain?

Back

Mitochondria is NOT an organ.

Front

What is the primary function of the respiratory system?

Back

The primary function of the respiratory system is to facilitate gas exchange, allowing oxygen to enter the body and carbon dioxide to be expelled.

Front

What is the role of capillaries in the lungs?

Back

Capillaries in the lungs surround the alveoli and allow for the exchange of oxygen and carbon dioxide between the air and the bloodstream.

Front

What is the term for the process of breathing in?

Back

The process of breathing in is called inhalation.

Front

What is the term for the process of breathing out?

Back

The process of breathing out is called exhalation.

Front

What is the main organ of the respiratory system?

Back

The main organ of the respiratory system is the lungs.