Mary Somerville
The cell membrane is semipermeable. What does that mean?
It allows nutrients and waste to pass through, but nothing else.
What is the fundamental unit of life?
The dark oval that is in the middle of the cell.
nucleus
What is the function of the cell membrane?
controls what goes in and what goes out.
Why do we need proteins broken down in our bodies?
We can't process the large molecules. They need to be smaller.
What is the outer part of the cell called?
cell membrane
What does blood carry from your lungs to parts of your body?
oxygen
What is another name for the First Law of Thermodynamics?
the Law of Energy Conservation
What light is emitted by all warm-blooded animals?
infrared
Besides the stomach and saliva, name another place in our body where digestive enzymes can be found. Bonus if you can name both.
pancreas and small intestines
What is the jelly-like substance that fills the cell?
What does the blood carry from the different body parts to the lungs?
Why did your finger get warm when the rubbing alcohol was added?
thermal energy occurred
What kind of light can a bee see that we cannot?
ultraviolet
What is the digestive enzyme found in saliva?
amylase
name for little organs
organelles
The process of burning things is called?
combustion
All living things get their energy from?
the sun
Explain the Doppler effect.
______
What light can snakes detect?
infrared
pepsin
All living things are made up of one or more cells. What's this called?
Cell theory
What does your body do with the oxygen it receives?
uses it to make energy
State the First Law of Thermodynamics.
Energy cannot be created or destroyed. It can only be converted from one form to another.
The Doppler effect applies to not only sound, but also to ____
light.