G6 Science - Circulatory System

The circulatory system consists of the heart, ___ and blood vessels.

• blood

• oxygen

• nutrients

• cells

When the heart contracted, __________

• blood goes into the heart

• blood leaves the heart

• blood stays in the heart

• nothing happens

________________ carry oxygen away from the heart to the body.

• arteries

• veins

• heart

• lungs

There are three types of blood vessels : X, Y and Z. Which one is capillary?

• X

• Y

• Z

• None of these

The heart is made of muscle to ____________.

• pump blood around the body.

• remove excess water

• break down food.

• give energy to the body.

The circulatory system transports _____________.

• oxygen

• nutrient

• carbon dioxide

• all are correct

The circulatory system works with the _______ system to carry oxygen and carbondioxide.

• disgestive

• immune

• nervous

• respiratory

When we have exercise, our heart rate ________

• decreases

• increases

• stays same

• increases then decreases

The part of the heart that is colored in blue is _______________

• blood rich in carbondioxide

• blood rich in oxygen

• blood rich is nutrient

• blood rich in waste

What is the function of the circulatory system?

• To provide nutrients to the whole body

• To maintain temperature of the body

• To exchange gases

• To transport nutrients, oxygen, and carbondioxide throughout the body