Sc 6 E L 14 3

________________ 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

• disgestive

• immune

• nervous

• respiratory

When we have exercise, our heart rate ________

• decreases

• increases

• stays same

• increases then decreases

Tags

NGSS.HS-LS1-3

1. The human heart

• is made of muscles

• has four chambers

• beats faster when you exercise

• all of the above

9. The only veins in the body that carry oxygenated blood are the

• aorta

• pulmonary veins

• pulmonary arteries

• vena cava

We use our _____ for breathing.

• muscles

• heart

• lungs

• vessels

What is happening on diaphragm when breathing out?

• diaphragm contract and move upwards

• diaphragm relaxes and move upwards

• diaphragm contract and move downwards

• diaphragm relaxes and move downwards