The heart, vessels and blood flow
Grade 7 Science Worksheet - Building Confidence
Circle the best answer.
Ari studies a circulation drawing. Part X carries blood away from the heart. What is part X called?
- An artery
- A vein
- A valve
- A capillary
In Esme's drawing, part Z is a tiny vessel, one cell thick, where oxygen passes to body cells. What is it called?
- An artery, as it carries oxygen
- A capillary
- A vein
- The heart
Which way do arteries carry blood, Jun?
- Nowhere: they store it
- To the lungs and nowhere else
- Back to the heart
- Away from the heart
Which way do veins carry blood, Kira?
- To the brain and nowhere else
- Back to the heart
- Into the stomach
- Away from the heart
Blood leaves the heart for the arms and legs. Which vessels does it travel in first, Luz?
- The windpipe
- Arteries
- Veins
- Capillaries, then arteries
Read this first
Numbered path, not to scale
1 body → 2 right atrium → 3 right ventricle → 4 lungs → 5 left atrium → 6 left ventricle → 7 body.
Where does the right side of the heart pump blood, Noah?
- Back into the right atrium
- To the body
- To the lungs
- To the stomach
Where does the left side of the heart pump blood, Pia?
- Back to the right side
- To the brain alone
- To the body
- To the lungs
After Ren drinks water and breathes in, blood carries things to the body's cells. Which list fits?
- Sound and light
- Air and whole bites of food
- Oxygen and nutrients
- Just water
Numbered path, not to scale
1 body → 2 right atrium → 3 right ventricle → 4 lungs → 5 left atrium → 6 left ventricle → 7 body.
Where does blood pick up oxygen, Tala?
- In the lungs
- In the right ventricle
- In the left atrium
- In the body's muscles
Blood returning from the body reaches the right atrium. Where does it go next, Zee?
- To the stomach
- To the right ventricle
- Straight back out to the body
- To the left ventricle