please help
Which of these cell types is NOT an immune cell?
A.
leukocyte
B.
phagocyte
C.
lymphocyte
D.
erythrocyte

D

Explanation:

A is incorrect because leukocyte is a colorless cell that circulates in the blood and body fluids and is involved in counteracting foreign substances and disease; a white (blood) cell.

B is incorrect because phagocytes are a type of cell within the body capable of engulfing and absorbing bacteria and other small cells and particles.

C is incorrect because lymphocyte are a form of small leukocyte (white blood cell) with a single round nucleus, occurring especially in the lymphatic system.

D is correct because erythrocyte are a red blood cell that (in humans) is typically a biconcave disc without a nucleus. Erythrocytes contain the pigment hemoglobin, which imparts the red color to blood, and transport oxygen and carbon dioxide to and from the tissues.

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.

im not in connections yet but i might can you some questions. what grade are you in?