Blood
Circulatory System and blood types
The Heart and Fibrin
Arteries and Veins
Blood Vessels
100
What is in the blood by percentage?
Water:50%

Red Blood Cells:45%

Plasma:4%

White Blood Cells and Platelets:1%

100
What three substances do we receive from the Circulatory System?
Oxygen, Nutrients, and Carbon Dioxide.
100
How many chambers does the heart have?
The heart has four chambers.
100
Do platelets 

A. Clump together

B. Help circulate blood.

C. Write literature.

Platelets clump together.
100
Which blood vessel is one-cell thick?
Capillaries are one-cell thick.
200
White Blood Cells take up 5% percent of our blood. True or False? If false, correct it.  
False. White Blood Cells take up 1% of our blood. 
200
What happens when you mix the wrong blood types?
If you mix one blood type with the wrong one, you get clumping.
200
How many times does the heart beat per minute? 
The heart beats 72 times a minute.
200
In class, what was RH compared to? 
RH is compared to poison. 
200
What are the three kinds of blood vessels?
Arteries, Veins, and Capillaries.
300
What is the percentage of the population is type O blood? 
45% of the population are type O blood.
300
What is the universal donor and acceptor? Will the universal acceptor always accept blood? Why or why not? 
O is the universal donor and AB is the universal acceptor. The universal acceptor will always accept blood because it can receive any blood type but can only donate to people with the same blood type.
300
What happens when the right and left ventricles contract?
Right Ventricle:Contracts and pushes oxygen-poorblood toward lungs.

Left Ventricle:Contracts and forces oxygen-rich blood.

300
Does RH negative hold antigen or not? 
RH negative does not hold antigen.
300
What diffuses in the capillaries?
Nutrients and gases are diffused in the capillaries.
400
What are the four types of blood and their percentages?
A:40%

B:11%

AB:4%

O:45%

400
Is it true that AB is a rare blood condition or false? 
AB is a rare blood condition. 
400
Describe what happens when you get a scab?
When you get a scab, the platelets form a web trapping blood cells. 
400
What are the function of platelets? 
Platelets are for clotting blood and to prevent further bleeding.
400
Describe and explain the role of the erythrocytes, leukocytes, and platelets.
RBC:Transporters of oxygen and carbon dioxide.

WBC:Fight infection and attack foreign substances.

Platelets:For clotting blood.

500
What does the blood consist of? 
Water, Red Blood Cells, Plasma, and White Blood Cells and Platelets.
500
What does RH factor stand for?
Rhesus factor.
500
What does fibrin contain? 
Fibrin contains fibrinogen on thrombin which causes it to polymerize. 
500
What is the difference between arteries and veins? 
Arteries carry blood away from the heart. Veins carry blood to the heart.
500
Why do platelets clump at the sight of an injury?
To prevent further blood loss.