Unit 6.6 Cells and Systems Summative Assessment

1. What do we call the job something does in the body?

• structure
• function

2. Skin is stretchy, this structure helps it do its function of...

• contracting to move different parts.
• giving the body shape.
• covering muscle and bones

3. Muscles need to contract and expand to move the body, good thing they have this structure to help support that job!

• thin and stretchy
• thick, springy elastic shape
• solid and hard

4. Why is it a good thing that bones don't bend or stretch?

• They need to cover the body.
• They need to stretch and move.
• They need to provide support and give our bodies shape.

5. Which statement about our body systems is true?

• They work together.
• They work alone.
• Only animals have body systems.

6. This type of medical imaging is called a(an) __________ and focuses on the _________ system.

• diagram, digestive
• x-ray, bone
• MRI, nervous

7. What structures are found in all three body systems (skin, muscle, bone)?

• nerve, cartilage
• blood vessels, bone marrow
• blood vessels, nerves

8. Bone cells have a ring-like pattern for....?

• contracting / stretching
• covering / protecting
• supporting / strengthening

9. Below is an image of test tubes with sample human blood. Why does the sample in the second tube look different?

• The samples came from different humans.
• The second tube was heated.
• Over time, the different parts of blood will separate naturally.

10. What type of blood cells help with injury, infection, and healing?

• white blood cells
• red blood cells
• wambulance cells