Blood, blood vessels and the heart

Blood carries ..... from your lungs to your body cells/tissues.

• carbon dioxide

• oxygen

• water

• urea

Which of the following is not a part of the blood?

• plasma

• platelets

• red blood cells

• lactic acid

Plasma consists mainly of....

• Platelets

• Haemoglobin

• Water

• White Blood Cells

Red Blood Cells are formed in our ....

• Red bone marrow

• Liver

• Yellow bone marrow

• Heart

..... fight bacteria and viruses (pathogens).

• Plasma

• platelets

• red blood cells

• white blood cells

Your blood carries .... to your lungs to be exhaled.

• oxygen

• carbon dioxide

The pigment in red blood cells that carries oxygen is called ...

• Hemoglobules

• Haemoglobin

• Homeostasis

• Hemoglogin

Name the part being pointed at

• right atrium

• left atrium

• right ventricle

• left ventricle

Name the part being pointed at...

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

What prevents blood from going backwards/pooling in the heart?

• valves

• atria

• ventricles

• veins