Blood
When blood is oxygenated is it lighter or darker, and what color is oxygenated blood on posters and documents?
Oxygenated blood is lighter than deoxygenated blood and is shown as redon posters and documents.
What is the main exit for blood in the heart?
The aorta.
Do arteries go from the heart or to the heart?
They go away from the heart.
Why are heart rate and blood pressure connected?
They usually increase and decrease together.
How does the circulatory system transport oxygen and nutrients?
The circulatory system transports oxygen and nutrients through blood, arteries, veins, and capillaries.
What is the liquid portion of blood called?
Plasma.
What are the main entrances on the heart called?
The inferior and superior vena cava.
What system do humans use, double loop or single loop?
Double loop.
How does blood pressure affect the heart?
High blood pressure forces the heart to work harder to pump blood to the rest of the body.
How are nutrients and oxygen transported around the body?
Blood vessels
What are platelets used for?
They are used to clamp together and stop you from bleeding too much when you get an injury.
What are valves?
Valves are two little tubes pointed together to stop backflow, too much blood from going through, and blood from mixing.
What is a common problem that happens when too much blood is in a vein or arterie.
Blood clot.
How does your heart rate increase?
It is mainly caused by stress.
What happens after the blood gets carbon dioxide?
It gets reoxygenated.
What does blood transport?
Blood transports hormones, nutrients, and gasses.
Which lung does the heart take air from?
The left lung.
What are arteries and veins connected by?
capillaries.
What is blood pressure?
The force blood is pushing on your heart.
Where do cells receive the nutrients?
In capillaries.
What is the metal in the blood that attracts oxygen called?
Hemoglobin.
What is stenosis?
Stenosis is a condition where valves may stiffen and not work as well.
When blood goes out of the aorta, where do arteries take the blood?
The brain.
What is the average blood pressure?
less than 120.
Where is the part of the body where there is the most blood?
The head/neck