Blood & Blood Vessels

__________are small, colourless cell fragments in our blood that form clots and stop or prevent bleeding.

• Plasma

• Red blood cells

• platelets

• capillaries

The heart pumps blood throughout the body through a closed system of tubes. These tubes that carry the blood are called blood vessels. There are three types of blood vessels: (a)   , veins,and capillaries

What carry blood from the body cells back to the heart. This blood contains waste materials.

• Veins

• Arteries

• Capillaries

• Vines

If laid end to end, your blood vessels would stretch out to about _______ km!

(About 4 times the distance around the equator!)

• 240,000 Km

• 15,000 Km

• 161,000 Km

• 123,450 Km

Blood moves from arteries to veins through tiny blood vessels called ?

• Arteries

• Capillaries

• Nerves

• Vena Cava

Most of our blood vessels are?

(a)  

At any given time, only about ________ of your body's blood is in your arteries.

• 10% to 15%

• 20% to 30%

• 30% to 40%

• 40% to 45%

Plasma is 90% _____ and is beige in colour. Plasma contains digested food, chemicals, and waste products.

These substances are carried to and from the cells by the plasma.

• Red blood cells

• Platelets

• Water

• Minerals

Red blood cells contain _________ that is red and gives blood its color. It links up with oxygen and carries this oxygen to all parts of the body.

• Myoglobin

• Red Ferrine

• Plasma

• Hemoglobin

Tags

NGSS.HS-LS2-3

What percent of blood is liquid?

• 43%

• 55%

• 2%

• 57%