Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how


What are the four components of Blood? Plasma, Red blood cells, White blood cells, Platelets
What % of plasma and what % of blood cells and platelets are present in the blood? 55% Plasma, 45% Platelets
What is the role of plasma? Transport
Where are red blood cells produced? Bone marrow of large bones
Describe the shape of red blood cells Biconcave/circular discs
Where are dead red blood cells broken down? Liver and spleen
What is the role of red blood cells? Transport Oxygen
What is the iron containing pigment found in red blood cells called? Haemoglobin
When oxygen moves into the red blood cells it attaches to haemoglobin forming what? Oxyhaemoglobin
What is the role of white blood cells in the body? Fight infection/disease
Leukaemia is a form of cancer. Describe how leukaemia occurs in relation to white blood cells. Cells are produced too rapidly and are immature - unable to protect against disease and cannot clot blood sufficiently.
What is the role of platelets? Clot the blood
What functions do blood clots have? Reduce blood loss, prevent the entry of microorganisms
What is thrombosis? When a vessel wall is damaged, a clot forms and blocks the blood vessel
List the functions of blood Transport of food, waste and hormones, transport of heat, transport of O2, defence against disease.
What are the four main blood groups? A, B, AB, O
Name two types of white blood cell Lymphocytes, Monocytes
What role do lymphocytes have? Make antibodies
What role do monocytes have? Engulf bacteria
Created by: Lisahynes