Heart
The ____ ventricle pumps blood through the aorta to your entire body.
left ventricle?
Where in the body is plasma found?
In blood vessels
What are the smallest blood vessels called?
Capillaries
Name 2 blood types.
Type A, B, AB, and O
Name 2 organs of the circulatory system?
heart ans lungs
What stops blood from flowing backwards.
a valve?
____ ___ ____ fight diseases.
White blood cells
What blood vessels carry deoxygenated blood?
veins
What 4 things make up blood?
WBCs, RBCs, plasma ad platelets.
How many ventricles in a heart?
2
Does oxygen-rich and oxygen-poor blood mix in the heart?
No
Oxygen is carried throughout your body by ___ ___ __.
red blood cells
What is the job of blood vessels?
To carry blood around the body.
How many litres of blood in a human body?
4-6 litres
What is the liquid of the blood, which is 90% water?
plasma
The ____ carries blood from the left ventricle to the body.
aorta
Cells fragments that form blood clots.
platelets
What is the name of the blood vessel that gives blood to the right atrium?
The superior vena cava.
The inferior vena cava.
The vena cava.
What is the main component of blood?
Plasma
What part of the blood fights and kills viruses?
leukocytes/ WBCs
What is the upper chambers of the heart?
The atrium
What is the percentage of red blood cells in the blood.
45%
What blood vessel is at the top of the heart and takes oxygenated blood to the body?
The aorta.
What percentage of the blood is plasma?
55%
Why does the heart beat faster when you exercise?
To give the body (muscles) more oxygen rich blood.