A hollow muscular organ that acts as a blood pump.

It gives shape and protects the organ in the body.

It is the control center of the body.

It stores and breaks down the foods and liquids that we consume.

It contains digestive juices and other enzymes that completely digest food and absorb digested nutrients.

This is where undigested food particles pass through and leave the body during defecation.

Breaks down and builds up many biological molecules that store vitamin and iron.

It filters blood in the body and brings out waste in the form of urine.

They hold the bones of the skeleton and give shape to the body.

Their function is to extract oxygen from the atmosphere.

How do the heart and lungs work together?

Stomach and the brain are related to each other. In what way are they connected?

When you are in danger, your muscles move as fast as you can to protect yourself. How does this happen? 

How do stomach and intestines work together?

How does the brain communicate with body parts when a person sees his/her favorite food? The brain initially_____________.

Your friend had an accident which damaged his brain. After the accident, he cannot move both of his legs. Why did this happen?

How do the lungs work together with the other organs of the body? The lungs provide _____________________.

What do you think will happen if your heart will not pump blood?

Rene always eats salty foods and drinks soda. His kidneys failed to function. Which of the following are the effects of this to the other organs of the body?

The following statements are true, EXCEPT _______________.