Circulatory System Flashcards
What is a vein?
Tube that is part of blood circulation. It carries deoxygenated bloom back/towards the heart.
What is an artery?
A muscular walled tube, forming part if the circulation system. Oxygenated blood is taken from the heart to the body.
What is a capillary?
Fine branching vessels that form a network between arteries and veins.
What distrups the trend between blood vessels?
The pulmonary artery and vein.
The pulmonary artery carries deoxygenated blood to the lungs- its the only artery other than the umbilical chord that carries this.
The pulmonary vein receives oxygenated blood from the lungs and is then drained into the left atrium of the heart.
What is the link between the circulatory system and the respiratory system?
When oxygen enters the lungs, it travels through the bronchi into tiny air sacs called alveoli. In the alveoli, the oxygen diffuses into the blood stream through capillaries that surround each alveoli. The newly oxygen rich blood travels towards the heart.
What is systematic circulation?
Part of the cardiovascular system that carries oxygenated blood away from the heart and to the body.
What is pulmonary circulation?
The part of the cardiovascular system which carries deoxygenated blood away from the heart and returns oxygen rich blood to the heart.
What is high altitude training?
Practiced by some endurance athletes
It can improve ones ability to exercise
Exposing the body to high altitude causes it to acclimatise to the lower amount of oxygen in the atmosphere
Changes in acclimatisation will improve the delivery of oxygen to muscles- the theory that more oxygen will lead to better performance
What is blood doping?
Is the injection of oxygenated blood into an athlete before an event in an attempt to enhance athletic performance. Illegal.
