A lymphocyte is a type of white blood cell. White blood cells are part of your immune system and help your body fight off diseases, including infections and cancer. There are two main types of lymphocytes â B cells and T cells.
There are the inner, rocky planets and then the outer gas planets. Venus is a rocky planet, as are Mercury, Earth and Mars. The terrestrial (rocky) planets are the 4 inner (closest to the sun behind the asteroid belt) rocky worlds in the Solar System: Mercury, Venus, Earth and Mars. The Gas giants, well, they are Jupiter, Saturn, Uranus, and Neptune. The gas and rocky planets are separated by the asteroid belt.
The terrestrial planets are Mercury, Venus, the Earth, and Mars. They are characterized by a dense rocky surface with a dense core and overall are relatively dense. The other â¦ four planets are called the Jovian planets, or less formally, the gas giants, and include Jupiter, Saturn, Uranus, and Neptune.o, the inner planets are the terrestrial or rocky planets. The outer planets are the gas giant planets; Jupiter, Saturn, Uranus and Neptune.