World 8: Human Body Systems

Identify the response in this diagram

Which one of the following carries blood to every part of the body?

The main function of the human digestive system is to

In which human body system are hormones produced?

Which human organ system is shown?

Infectious diseases are caused by

The kidneys, which remove dissolved wastes from the blood, are organs of the

A change in the environment that causes a response is known as a

What substance provides humans with their main source of energy

Fats are important nutrients because they

Identify the human organ system responsible for the movement of blood shown in the diagram.

The energy obtained from food is measured in units called

Where in the respiratory system does gas exchange occur?

In which human body system are hormones produced?

Why does the blood at location B contains more oxygen than blood at location A.

Identify the stimulus in this diagram

The lungs absorb oxygen, which is used by cells to carry out the process of

Sweat often forms on the skin. Sweating is an example of the human body’s ability to

What is the main function of the circulatory system?

What do all organisms need to survive?