1.
The upper chamber of the human heart
2.
Smallest blood vessel connecting arteries and veins
3.
Organ that filters blood to produce urine
4.
Naturally occurring solid substance in the Earth crust
5.
Chemical reaction that absorbs heat from surroundings
6.
The rate of flow of electrical charge
7.
Opposition to the flow of electric current
8.
Electrical potential difference across a component
9.
Rocky body orbiting the sun between Mars and Jupiter
10.
A meteoroid that burns up as it enters the atmosphere
11.
Dark and cooler region on the surface of the Sun
12.
Foreign substance that stimulates an immune response
13.
Plant tissue that transports food from leaves
14.
Plant tissue that transports water and dissolved minerals
15.
Blood component responsible for blood clotting
