Circulatory System

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

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

Tags

NGSS.MS-LS1-3

Where in your body can you find blood vessels?

• around the heart
• in hands & feet
• in your head
• virtually everywhere

This type of vessel carries blood TO the heart:

• vein
• nerve
• muscle
• artery

When oxygen-rich blood is carried AWAY from the heart, it travels through an...

• artery

• neuron

• vein

• capillary

The smallest type of blood vessel is this type that allows for the diffusion of molecules like oxygen and carbon dioxide. They also connect arteries and veins.

• nerve

• vein

• capillary

• artery

Veins and your heart have ________________ to stop blood from flowing backward.

• gravity

• valves

• arteries

• ventricles

The cells in the blood that help fight germs and illnesses are the...

• red blood cells

• platelets

• white blood cells

• axons

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

Tags

NGSS.MS-LS1-7

The upper chamber of the heart is known as...

• valve

• ventricle

• atrium

• septum