Human Organs and Functional Structures of Organisms Review

Which human organ filters all the body's blood, removes waste, and regulates body fluids?

• Kidneys

• Brain

• Heart

• Lungs

Each organ performs a function necessary for a healthy, active, human body. The organ responsible for filtering the blood from the digestive tract before sending it to the rest of the body in which of the following organs?

• Heart

• Stomach

• Liver

• Lungs

The stomach, liver, intestines, and pancreas are all organs in the same body system. What is the main function of the stomach?

• Breaking down food nutrients

• Pumping blood through the body

• Controlling muscle movement

• Fighting the body's disease

The nutrients in digested food are absorbed into the bloodstream in which of the following organs?

• Heart

• Liver

• Intestines

• Lungs

An organ system is made up of all the organs in the human body that work together to do a specific job, such as the circulatory system. What is the main function of the heart?

• Fighting the body's diseases

• Pumping blood through the body

• Controlling muscle movement

• Breaking down food nutrients

In order to provide oxygen and remove carbon dioxide, air must be pumped into and out of which of the following organs?

• Bladder

• Heart

• Brain

• Lungs

When Nari decides to get up and move to another room, she is counting on her body to communicate those messages to her muscles. Which of the following organs is responsible for communicating and controlling the actions of Nari's movements?

• Lungs

• Kidneys

• Heart

• Brain

What is the function of the human skeleton?

• The skeleton provides a framework for muscles and protects organs.

• The skeleton digests food and makes fuel for the body from the nutrients.

• The skeleton protects and defends the human body from diseases.

• The skeleton pumps blood throughout the body, brain, and heart.

Mike is making a list of the parts of his body that help him sense the world around him. He knows that his eyes take in light so he can see. Which organ has nerve endings so that he can take in information such as textures and air temperature?

• Heart

• Skin

• Brain

• Lungs

The human brain is responsible for which of the following functions?

• Fighting the body's diseases

• Breaking down food nutrients

• Controlling muscle movement

• Pumping blood through the body