Human Body

basic unit of life

• cell
• capillaries
• heart valve
• vein

in order to get fresh oxygen, dispose of carbon dioxide, and get new sugar for cells, the circulatory system has to connect with the intestines and these

• heart
• vessels
• lungs
• veins

The human heart is a ____-chambered organ.

• 1
• 2
• 3
• 4

blood flows back to the heart in these

• cytoplasm
• lungs
• circulatory system
• vein

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 

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

• artery
• neuron
• vein
• straw

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

• respiratory 
• digestive
• skeletal
• nervous

Which best describes the relationship between the muscular system and the circulatory system? 

• The circulatory system captures carbon dioxide from the air for muscle energy.
• The circulatory system produces red blood cells to bring oxygen to the muscles
• The circulatory system provides a framework for muscle movement
• The circulatory system delivers oxygen for muscle energy

The process by which the body breaks down food so that it can be used for energy.

• composition
• digestion
• deposition
• absorption

The muscular organ in the body where chemical and mechanical digestion take place.

• pancreas
• liver
• stomach
• esophagus