Human Circulatory System

What is the largest artery in the human body called?

• Superior Vena Cava
• Aorta
• Inferior Vena Cava
• Pulmonary Artery

To pump and circulate blood is the work of which organ?

• lungs
• liver
• pancreas
• heart

Pulmonary referrs to the lungs, blood leaving the heart through the pulmonary artery is high in which gas?

• nitrogen
• carbon dioxide
• oxygen
• helium

Which is a function of the cardiovascular system?

• to move water throughout the body
• to transport gases throughout the body 
• to eliminate waste from the body
• to provide structural support for the body 

Tags

NGSS.MS-LS1-3

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

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

Tags

NGSS.MS-LS1-2

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
• straw

The smallest type of blood vessel is the:

• nerve
• vein
• capillary
• artery

Veins have special ________________ 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

Tags

NGSS.MS-LS1-3