Circulatory and Respiratory System

Which system allows blood to circulate throughout the body to transport oxygen and nutrients to all the cells and tissues?

• Nervous

• Respiratory

• Circulatory

Tags

NGSS.MS-LS1-3

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Tags

NGSS.MS-LS1-3

How many types of blood vessels are in our body?

• 1
• 2
• 3
• 4

Veins carry oxygen poor blood back to the heart.

• False

• True

Arteries carry oxygen rich blood away from the heart.

• True

• False

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

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

• respiratory
• digestive
• muscular
• skeletal

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

• respiratory 
• digestive
• skeletal
• nervous

Tags

NGSS.MS-LS1-7

The heart has ___ chambers.

• 1
• 2
• 3
• 4

What is the heart ? 

• meaty organ 
• a small metal spike with a broadened flat head,
• organ of soft nervous tissue 
• muscular organ