True or false b cells and h cells are two important cells im the immune system that fight infection

Hello, I am papaguy Your answer is Ready

The cells of the immune system can be categorized as lymphocytes (T-cells, B-cells and NK cells), neutrophils, and monocytes/macrophages. These are all types of white blood cells. The major proteins of the immune system are predominantly signaling proteins (often called cytokines), antibodies, and complement proteins.

From looking at information I conclude that it is true.

Thank you

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it