White Blood Cells
neon is a colourless element
insects
Plasma I think.
red because horses blood is red
It will be colourless if there are no RBCs.
An ice fish
Yes, the structure of white blood cells (WBCs) is generally round and colorless. They lack the hemoglobin that gives red blood cells their color, resulting in a transparent appearance. However, WBCs come in various shapes and sizes depending on their type, but they typically maintain a round shape when viewed under a microscope.
It is a tiny colourless disk found in the blood of the vertebrates that helps with clotting of the blood.
It's a colourless liquid organic compound.
Helium is a noble gas, it is colourless, odourless gas at STP. It is a chemically inert element.
White blood cells (leukocytes) are round and colorless, often accounting for less than 1% of the total blood volume. They play a vital role in the immune response by defending the body against infections and foreign invaders.
Neon is a colourless gas except when an electric current passes through it, as in a neon sign.