Blood
Where can you find blood vessels?
Everywhere
All living things are made of these
Cells
Xrays
Nerves send signals to this place
Your brain
What do red blood cells do?
Bring oxygen to all parts of your body
Plants have two parts to their cells
Cell wall (keeps the structure) and cell membrane (lets things in and out)
Doctors use this to look at tissue and bones
MRI
How do nerves send signals?
The signals jump from nerve bundle to nerve bundle
What do platelets do?
Stop you from bleeding
How do cells grow?
They split in half
This is when you look at a "slice" of something
Cross-section
This is an important part of the nervous system in your back
spinal cord
What do white blood cells do?
Fight infection
Cells need this to grow.
Nutrients
These systems can regrow and heal
Muscles, skin, nerves, bone
True or false: nerves can regrow
What does plasma do?
Bring water and nutrients, take away waste
How does a cut heal?
What did the skin time-laps video demonstrate?
That skin cells can reproduce and close gaps
True or false: different parts of your body have different amounts of nerves
True