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Science Final REview

4,5,6

QuestionAnswer
What is a Neuron? Neurons are nerve cells that send messages all over your body to allow you to do everything from breathing to talking, eating, walking, and thinking
what is a neurotransmitter? Chemical messengers that allow nerve cells, or neurons, to communicate with each other and with other cells.
What is a synapse A synapse is the gap between to neurons
What is a Hemoglobin? Hemoglobin is the protein contained in red blood cells that is responsible for delivery of oxygen to the tissues.
Pulmonary Circulation a part of the cardiovascular system that transports deoxygenated blood from the heart to the lungs for oxygenation and returns oxygenated blood back to the heart.
Coronary Circulation the system of blood vessels that supplies oxygenated blood to the heart muscle
Systemic Circulation the pathway of blood flow that carries oxygenated blood from the heart to the rest of the body and then returns deoxygenated blood back to the heart.
Capillary delicate blood vessels (tubes that hold blood) throughout your body. They bring nutrients and oxygen to cells in your organs and body systems. In exchange, they also carry away tissue waste like carbon dioxide.
Cardiovascular Disease Also known as heart disease, Cardiovascular disease is the disorder of the heart and blood vessels
Red Blood Cell specialized cells in the blood that primarily function to transport oxygen throughout the body.
White Blood Cell specialized cells in the blood that protect you against illness and disease.
Platelets small, colorless cell fragments in our blood that form clots and stop or prevent bleeding.
Plasma Plasma is the liquid part of your blood
Deoxygenated Blood blood that has a lower-than-normal concentration of oxygen compared to blood leaving the lungs.
Oxygenated Blood blood that is rich in oxygen
Closed System a system where no matter (e.g., molecules, particles) can enter or leave, but energy can be exchanged
Artery A blood vessel that carries blood from the heart to tissues and organs in the body.
Vein a blood vessel that carries oxygen-poor blood from the body's tissues back to the heart.
Created by: jingd30
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