10 questions
White Blood Cells
attack viruses only
attack germs
protect red blood cells
Plasma
contains liquid, sugars, proteins, and is 50% of the blood
contains liquid, sugars, and is 25% of the blood
contains liquid, salts, and carbon monoxide
Capillaries
connect arteries to veins, gasses are exchanged
connect heart valves together
connect arteries to other arteries
Platelets
protect the liver
fight infection
stop bleeding and help wounds heal
Arteries
flexible, carry blood to the heart
not flexible, carry blood away from the heart
flexible, carry blood away from the heart
Veins
not flexible, blood is a darker shade of red
flexible, blood is a darker shade of red
flexible, blood is a bright red
Red Blood Cells
carry oxygen
carry carbon dioxide
carry proteins
What is the purpose of heart valves?
keep blood flowing in one direction
pump the blood
How many chambers are in the heart?
6
2
4
3
What is the muscle separating the right and left side of the heart?
septic
septum
rectum