We’ve got erythrocytes,
erythrocytes,
erythrocytes in the body

Another name for erythrocytes,
erythrocytes,
erythrocytes in the body
is red blood cells.
We’ve got erythrocytes in the body
and they carry oxygen in the red blood cells.

We’ve also got leukocytes,
leukocytes,
leukocytes in the body

Another name for leukocytes,
leukocytes,
leukocytes in the body
is white blood cells.
We’ve got leukocytes in the body
and they help the body fight diseases.

We’ve got erythrocytes also called red blood cells
and leukocytes also called white blood cells
in the body.
Oh joy.
Yay.