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The heart contracts and expands due to it's muscles. The blood is made to go one way only, by the use of Valves between each chamber.
Blood circulates through the heart in arteries and veins. They pass through various valves and chambers. Because the heart itself is an automatic pumping machine (or a muscle) the blood is pumped into different organs of the body via the bloodstream.
What else can I help you with?
Which body system circulates blood through the body?
The cardiovascular system circulates blood through the body.
What does blood do in the brain?
Blood circulates oxygen and nutrients through the brain.
What blood does in the brain?
Blood circulates oxygen and nutrients through the brain.
Is there water in your teeth?
No, but there is blood that circulates through the pulp of your teeth
Where does blood collect in fish after it circulates through the body?
the gills
What circulates through veins?
Blood, Oxygen, Energy (Glucose)
Who proposed that blood circulates through the body?
William Harvey
What is the circulation of cnidaria?
where their blood circulates through an open-circulatory system
Does the heart have blood in it?
The heart is a muscle and gets its nurisment from blood that flows through it. And it also pumps and circulates blood through it in large vessels and chambers.
Where are blood cells located in the body?
In the blood - which circulates all around the body through a network of arteries and veins.
What has three hearts?
An octopus has three hearts. Two pump blood through each of the two gills, while the third pumps blood through the body.
How many times your blood circulates through your body in a week?
On average, a person's blood circulates through their body about 1,000 times in a week. This means that the blood travels through the entire circulatory system multiple times each day to deliver oxygen and nutrients to cells and remove waste products.
