SYSTEM

The main function of the circulatory system is 

• 
  To give the body structure and support

• Excrete waste

• transport blood, nutrients, and gases throughout the body

• to transport messages from the body to the brain

White blood cells

• 
  allow for gases to exchange

• give blood its color

• help clot blood

• fight infection and disease

The plasma that contains blood cells is mainly made up of 

• 
  cytoplasm

• nutrients

• waste

• water

The human heart is an organ that pumps blood throughout the body supplying oxygen, nutrients, blood, and hormones to and from the tissues removing _________ ___________ and other wastes.

• 
  

  carbon dioxide

• carbon moxoide

• hydrogen dioxide

• water molecules

The heart is made up of _________ chambers

• one

• two 

• three

• four

Arteries carry nutrient and oxygen rich blood _____________ from the heart.

• back to

• away

• parallel

The heart is the size of

• your thumb

• your fist

• your ribcage

• your kitchen table

What makes up around 55% of the blood?

• Plasma

• Red Blood Cells

• White Blood Cells

• Platelets

What causes the blood to be the distinct red colour?

• Oxygen

• Hormones

• Glucose

• Hemoglobin

Which of the following are cell fragments that help control blood clotting?

• basophils

• platelets

• lymphocytes

• globulins