Human Circulatory System

Carry blood away from heart; mostly oxygen-rich

• Arteries
• Veins
• Capillaries

Carry blood toward heart; mostly oxygen-poor

• Arteries
• Veins
• Capillaries

Thin-walled vessels that allow for the exchange of O_{2 ,} CO₂, nutrients and wastes between blood cells or air sacs in the lungs

• Arteries
• Veins
• Capillaries

Which is NOT a function of the circulatory system?

• deliver O₂ and nutrients to cells
• remove CO₂ and wastes from cells
• break down carbohydrates into glucose
• transport other materials through body

Which type of blood vessel uses valves to prevent a blood "backflow effect" that would create harmful stress on the heart?

• Arteries
• Veins
• Capillaries
• Valves

liquid portion of the blood

• leukocytes
• erthryocytes
• plasma
• thrombin

What makes up around 55% of the blood?

• Plasma

• Red Blood Cells

• White Blood Cells

• Platelets

What carries oxygen around the body?

• Plasma

• Red Blood Cells

• Platelets

• White Blood Cells

Which of the following is NOT a type of blood vessel?

• Artery

• Capillary

• Vein

• Ventricle

What is the function (job) of the platelets?

• To form clots (i.e. scabs) when you have cuts and grazes.

• To transport oxygen to the muscles

• To carry dissolved sugars.

• To produce antibodies

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3