Blood
Basics
Basics
This pigment gives red blood cells their color and carries oxygen.
What is hemoglobin?
The heart has this many chambers.
What is four?
These vessels carry blood away from the heart.
What are arteries?
This blood type is called the “universal donor” because it can be given to any recipient.
What is O-negative
This many times per minute is the average resting heart rate for most people.
What is about 60–100 beats?
These cells help your blood clot when you get a cut.
What are platelets?
These two top chambers in the heart receive blood.
What are the atria?
These tiny vessels connect arteries and veins
What are capillaries?
This blood type can receive red blood cells from any blood type earning it the nickname “universal recipient.”
What is AB
Your heart is about the size of this body part.
What is your fist?
These cells help your body fight germs.
What are white blood cells?
This chamber receives oxygen-poor blood from the body.
What is the right atrium?
The biggest artery in the body.
What is the aorta?
The naming system that divides blood into A, B, AB, or O based on certain “tags” on red blood cells.
What is the ABO system?
The sound “lub‑dub” you hear when your heart beats is caused by this.
What are the heart valves?
The liquid portion of blood that carries cells, nutrients, and hormones.
What is plasma?
This is the only place in the body where electrical signals begin without the brain’s help.
What is the Sinoatrial(SA) node?
These vessels contain valves to keep blood moving toward the heart.
What are veins?
In addition to A/B/AB/O, your blood is classified by this factor shown as “+” or “−.”
What is the Rh (Rhesus) factor?
This powerful muscle pumps enough blood each day to fill more than 40 of these large household objects.
What are bathtubs?
These white blood cells are known as the body’s “first responders” against infection.
What are neutrophils?
The term for the relaxation phase of the cardiac cycle.
What is diastole?
These smallest subdivisions of arteries regulate blood flow into capillary beds by contracting or relaxing their smooth muscle walls, thereby influencing blood pressure and distribution.
What are arterioles
A person with type A blood can safely receive red blood cells from these ABO types (not counting Rh).
What are A and O?
Even though it's a muscle, the heart never does this, which other muscles often do when you exercise them too much.
What is get tired or fatigued?