3 types of protozoan diseases and their causative parasites

Malaria, Leishmaniasis, and Toxoplasmosis.

Malaria is caused by Plasmodium parasites.

Leishmaniasis is caused by infection with Leishmania parasites.

Toxoplasmosis is an infection caused by a parasite that is called Toxoplasma gondii.

youre right there are

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]