A. osteocyte
B. neurone
C. erythrocyte
D. leucocyte

Correct Answer:

Option C – erythrocyte

Explanation

Red blood cells are microscopic and have the shape of a flat disk or doughnut, which is round with an indentation in the center, but it isn’t hollow.

Red blood cells don’t have a nucleus like white blood cells, allowing them to change shape and move throughout your body easier.

SEE ALSO  The flame cells are used for excretion in?

Copyright warnings! Do not copy.