The freshwater flatworm has A. Flame cells. Flame cells function like a kidney, removing waste through filtration. Cilia propel waste matter down the tubles and out of the body through a pore. Looking at a Flame cell through a microscope the cilia cluster looks like a flickering flame.
Answer:
b) Produce and store large numbers of white blood cells
Explanation:
The lymphatic system's primary role is to produce white blood cells. The main organs were these cells are produced are the bone marrow, the thymus, the spleen, and the lymph nodes, which are distributed in different parts of the body, such as our neck, armpits and near the groin. these organs produce and store white blood cells, that will circulate in the blood or will be in action when the blood is filtered in the spleen or lymphatic nodes.
Answer:
The correct answer is- olfactory nerve(1)
Explanation:
Olfactory nerve is the first nerve out of the 12 cranial nerve that is located in the head and is also the shortest of all the cranial nerve. The receptors of the olfactory nerve are present in the nasal mucosa that passes to the forebrain.
It pass sensory information of smell to the brain so it plays the sensory function in smell perception. The damage to olfactory nerves can lead to:
Anosmia: In anosmia, people lose their ability to smell.
Hyposmia: In this condition, the ability to smell gets reduced.
Dysosmia: In this situation, people lost their ability to distinguish between various types of smell.
So the right answer is olfactory nerve(1).
A : DNA in the nucleus of the egg controls all cell activities
