Circulation Basics Flashcards
What is the primary purpose of the heart
to pump blood throughout the body
What color is oxygenated blood
brighter red
what color is deoxygenated blood
darker red
Which side of the heart pumps oxygenated blood
The left side
Which side of the heart pumps deoxygenated blood
the right side
where does the right side of the heart pump blood to
the aorta
where does the left side of the heart pump blood to
the rest of your body
which type of blood vessel carries blood away from the heart
an artery
which type of blood vessel carries blood to the heart
A vein
The loop of blood vessel that carries blood to and from the body tissues is known as the __________ circuit
systemic circuit
The loop of blood vessel that carries blood to and from the lungs is known as the _________________
pulmonary circuit
What are the blood vessels that carry blood from the heart to the lungs called
pulmonary artery
what are the type of blood vessels that carry blood from the lungs back to the heart called
pulmonary veins
what is the role of the lungs in circulation
Facilitate gas exchange
The pulmonary arteries carry ___________________ while the pulmonary veins carry _____________________
Deoxygenated blood, oxygenated blood
what happens to blood in the body tissues
It delivers oxygen and nutrients to the cells through the capillaries
do veins always carry deoxygenated blood
false
why do veins not always carry deoxygenated blood
Veins, carry deoxygenated blood from the body to the heart. The exception is the network of pulmonary veins
Do arteries always carry oxygenated blood
False
Why do arteries not always carry oxygenated blood
The pulmonary carries deoxygenated blood from heart to the lungs
Thrombocytes
platelets, one percent of blood volume, not true cells, only cell fragments
job: help to clot damaged blood vessels called hemostasis
Leukocytes
White blood cells, one percent of blood volume, true cells, has a lifespan of 1-3 days
job: defend against diseases
plasma
non-cellular, bloods liquid matrix, 55 percent of blood volume
Erythrocytes
Red blood cells, 45 percent of blood volume, not true cells, lack nuclei, and organelles.
job: transport oxygen from the lungs to the body cells.
