Circulatory System

_______ function in the life-saving process of clotting blood.

• Veins

• Arteries

• Cholesterol

• Platelets

True or false:

Arteries carry blood away from the heart.

• True

• False

These cells, in the blood, carry oxygen and give the blood its color.

• white blood cells
• plasma
• platelets
• red blood cells

Tags

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This type of vessel carries blood TO the heart:

• vein
• nerve
• muscle
• artery

The circulatory system works with the ___________ system to provide our body with oxygen.

• respiratory
• digestive
• muscular
• skeletal

Tags

NGSS.MS-LS1-3

The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 

• respiratory 
• digestive
• skeletal
• nervous

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What is the main organ in the circulatory system?

• brain

• lung

• heart

• stomach

The number of times the heart beats in a certain amount of time, usually a minute is:

• beat rate

• heart rate

• blood flow rate

• pulmonary rate

The heart is a muscle?

• True

• False

Tags

NGSS.MS-LS1-3

How many chambers are there in the heart?

• 1

• 2

• 3

• 4