2nd Periodical Examination in SCIENCE IV

What do we call the organ that is considered as the CPU of the body?

• Brain

• Lungs

• Kidney

Which of the following organ is responsible for pumping blood for the whole body?

• Brain

• Heart

• Kidney

What organ secures the quality of oxygen by filtrating them leaving the good ones in the blood and exhausting the waste gases like carbon dioxide out of the body?

• Heart

• Lungs

• Stomach

What do we call the organ where food was chemically digested?

• Kidney

• Liver

• stomach and intestines

What organ has bean in shaped that also helps to eliminate the unnecessary substances that has entered into our body?

• Lungs

• Liver

• kidney

What type of muscle that are long, tube-shaped fibers that look striped and connect to bones with strong cords called tendons?

• Skeletal Muscles

• Cardiac Muscle

• Smooth Muscles

Which of the following is NOT function of the Muscular System?

• Heat production

• Movement

• Processing

Which of the following is TRUE about the Smooth Muscles?

• Smooth muscles help us move, walk lift things and stand straight.

• Smooth muscles fibers are not striped; they are shaped like spindles and have one nucleus.

• Smooth muscles main job is to pump blood throughout the body by contracting the heart.

How many bones are there for an adult body?

• 260

• 206

• 602

How many bones do we have when we were a baby?

• 100

• 200

• 300