Vessels
The smallest blood vessels
Capillaries
The upper chambers of the heart
Atrium / Atria
How does the circulatory system deal with exposure to cold?
Vasoconstriction to reduce blood flow
This number means the number of times a heart contracts her minute
Beats per minute / heart rate
The name for Red Blood Cells
erythrocytes
These carry blood away from the heart
Arteries
The lower chambers of the heart
Ventricles
How does the cardiovascular system respond to excess heat?
This number refers to how hard the heart has to pump blood
blood pressure
The name for white blood cells
leukocytes
These carry blood to the heart
veins
The structure that separates the right and left sides of the heart
Septa / Septum
What are two things carried to cells by the blood?
oxygen
nutrition
hormones
glucose
waste products
2
Blood is made up of what kind of tissue
circulating connective tissue
Found between arteries and capillaries
arterioles
This chamber receives blood from the inferior and superior vena cava
Right Atrium
What assists the blood in moving through the CV system without friction?
The endocardium and endothelium
Contracts
How does the shape of an RBC contribute to its function?
It allows it to carry more oxygen around the body
Found between capillaries and veins
venoules
This chamber sends blood to the aorta
Left Ventricle
What is a condition that causes low levels of iron in the body?
Anemia
What is considered a "normal blood pressure"
120/80
This gives blood the red color
Hemoglobin