Circulatory & Immune Systems

Antibiotics are designed to kill

• bacteria

• fungi

• viruses

• lymph nodes

These occur when the immune system overreacts and treats something harmless as something dangerous.

• fungal infections

• immunodeficiencies

• vaccinations

• allergies

What is the function of this  system?

• Take in oxygen and release carbon dioxide
• Break apart nutrients into usable pieces of energy
• Transport nutrients and oxygen to the  body
• Provide movement for the body

Tags

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The System that contains blood vessels and the heart is the...

• circulatory system
• respiratory system
• digestive system
• Integumentary System

Tags

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The ____________ is a muscular organ that pumps blood to the body through blood vessels. 

• vein 
• artery 
• heart

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Human blood vessels are

• artries, capillaries, and atria

• ventricles, atria and pulmonary veins

• capillaries, artries, and veins

• veins, artries, and aorta

Valves in veins

• support them

• protect them

• prevent the backward movement inside them

• provide them elesticity

These are one cell thick

• arteries

• capillaries

• veins

What carries oxygen around the body?

• Plasma

• Red Blood Cells

• Platelets

• White Blood Cells

Tags

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What is the function (job) of the white blood cells?

• To transport oxygen around the body.

• To carry dissolved sugars.

• To clot and cover wounds like cuts and grazes.

• To release antibodies to help destroy infections.