6th Science Guide 1st Partial

6th Science Guide 1st Partial

by Yazmin Resendiz

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Multiple Choice

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Multiple Select

What are the 3 components of the circulatory system?

• heart

• blood

• blood vessels

• lungs

• airways

Multiple Choice

They carry blood from the heart to the organs.

• Arteries

• Veins

Multiple Choice

They carry blood back from the body to the heart.

• Arteries

• Veins

Multiple Choice

The job of the heart is to . . .

• pump blood around the body.

• send food to the small intestines.

• break down food.

• give energy to the body.

Multiple Choice

Arteries, veins, and capillaries are three types of __________

• heart valves
• blood vessels
• cells
• veins

Multiple Select

Mark the 3 veins.

• vena cava

• femoral artery

• femoral vein

• carotid

• jugular

Multiple Select

Mark the 3 arteries.

• aorta

• femoral artery

• femoral vein

• carotid

• jugular

Multiple Choice

What do plants inhale?

• carbon dioxide

• oxygen

Multiple Choice

What do plants exhale?

• carbon dioxide

• oxygen

Multiple Choice

What do humans exhale?

• carbon dioxide

• oxygen

Multiple Choice

What do humans inhale?

• carbon dioxide

• oxygen

Multiple Choice

What's the step 1 in the breathing process?

• The air gets into the lungs.

• The air passes through the tubes.

• The air enters the body and harmful substances are removed.

• The gas exchange occurs: the oxygen enters the blood and carbon dioxide exits the body.

Multiple Choice

What's the step 2 in the breathing process?

• The air gets into the lungs.

• The air passes through the tubes.

• The air enters the body and harmful substances are removed.

• The gas exchange occurs: the oxygen enters the blood and carbon dioxide exits the body.

Multiple Choice

What's the step 3 in the breathing process?

• The air gets into the lungs.

• The air passes through the tubes.

• The air enters the body and harmful substances are removed.

• The gas exchange occurs: the oxygen enters the blood and carbon dioxide exits the body.

Multiple Choice

What's the step 4 in the breathing process?

• The air gets into the lungs.

• The air passes through the tubes.

• The air enters the body and harmful substances are removed.

• The gas exchange occurs: the oxygen enters the blood and carbon dioxide exits the body.

Multiple Choice

What happens when you inhale?

• The thorax contracts.

• The thorax expands.

Multiple Choice

What happens when you exhale?

• The thorax contracts.

• The thorax expands.