hair
Lice feed on human blood, not on food like insects. They use their mouthparts to bite the scalp and feed on blood several times a day.
Blood and dead skin cells, mostly from the scalp.
Housefly's are scavengers so they eat the left over scraps that are in the house.
if they have lice and scratch their head lice will get in the food;)
if they have lice and scratch their head lice will get in the food;)
Blood
Yes, they do eat their kind.
Lice are parasites, getting their food and shelter from the skin of their host.
The relationship is parasitic, as the lice takes blood, but returns no benefit to the human host.
by eating lice on your head
The symbiotic relationship between a human head and lice is parasitism. This is because the lice get food and shelter but the head is itchy.