key parts of circulatory system and thier function
Answer (1)
Answer:Heart: The heart is the organ responsible for the blood flowing in our veins. It is because iof it that we are alive.Vessels: These are what brings blood throughout our body. They are like tinyt tunnels. There are two kinds, veins and arteries.Veins: These vessels carry DEOXEGENATED blood TO the heart.Arteries: These vessels carry OXYGENATED blood AWAY from the heart to the rest of the body.Lungs: The lungs play a massive role in the circulatory system as the lungs store the oxygen that is given to the heart to be put in the blood.Bronchus: This is the long tube that connects our mouth (and nose!) to our lungs.Bronchioles: aThese are small, thin-walled tubes that branch from the bronchus and end in the alveolar sacs of the lungs.Alveoli: These are tiny sacs in our lungs that store the oxygen we inhaled.
