Lungs
True or False? When we breathe, oxygen enters our lungs.
True
What helps pump blood to the heart?
The veins
What is the largest artery in the body?
The aorta
When we breathe, what enters our lungs?
Air containing oxygen
Are the vena cavae large or small veins?
Large
True or false? Blood vessels are tubes that carry blood around the body.
True
What are the lungs responsible for?
Transferring oxygen into the blood system
What would not be possible without the heart?
It wouldn't be possible to transport nutrients and oxygen around the body
How many main types of blood vessels are there?
Three
What is the plural of bronchus?
Bronchi
What four parts of the heart does the aorta branch off to?
The ascending aorta, aortic arch, the descending, thoracic aorta and the abdominal aorta
What connects the arteries and veins?
Capillaries
What two parts of the circulatory system work together to help you breathe in and out?
The intercostal muscles and diaphragm
What two parts of the heart open to let blood pass and close to prevent blood from flowing back?
The aortic and pulmonic valves
What are capillaries?
Capillaries are blood vessels connected to arteries and veins