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What two letters are the name of the international system of units for measurement?
SI Units
What substance is used to test for starch?
Iodine
In which organ is water absorbed?
The large intestine
Which of these structures is not found in an animal cell?
Mitochondria
Cell membrane
Cell wall
Nucleus
What part of the cell is essential for photosynthesis?
Chloroplasts
Give 2 functions of the liver
Breaks down fat, produces bile, regulates nutrients in the bloodstream
What is the function of the pancreas?
Makes enzymes
Amylase breaks down starch into...
maltose
Which of these blood vessels have valves: artery, vein, capillary
Vein
How much oxygen is in inhaled air?
21%
What are sex cells also called?
Gametes
What is matter?
Anything that takes up space and has mass
How do particles in a solid move?
They vibrate
In an atom, what subatomic particle orbits the nucleus?
Electron
Where is the atomic number on a periodic table?
On the top
What are isotopes?
Atoms with the same number of protons but different numbers of neutrons
