Heart

What do capillaries, the smallest blood vessels, do?

• Exchange O2 only
• Exchange CO2 only
• exchange nutrients and  oxygen for waste 
• break down foods

Tags

NGSS.MS-LS2-3

Which component of blood makes up 1% of the blood?

• White blood cells & Platelets
• Plasma & Platelets
• Plasma & White blood cells
• Platelets & Red blood cells

What are the 4 components of blood?

• White blood cells, Platelets, bone marrow, and oxygen
• Plasma, Platelets, yellow blood cells, and nutrients
• Plasma, White blood cells, red blood cells, and Platelets
• Platelets, Red blood cells

Which does not make up the circulatory system?

• heart
• blood
• lungs
• blood vessels

About how many times does the heart beat during an average life time?

• 60,000
• 3 billion
• 3,000
• 300,000

What is the largest artery in the body?

• femoral artery
• brachial artery
• carotid artery
• aorta

Where does blood go after the right atrium?

• left atrium
• left ventricle
• right ventricle
• aorta

Where does the blood go after it goes into the pulmonary arteries?

• lungs
• heart
• head
• hands

Which blood vessels carry blood to the heart?

• Aorta
• veins
• arteries
• arterioles

Which blood vessels carry blood away from the heart?

• capillaries
• veins
• arteries