Question 1
Cells are transformed into specialized units during
◦ programed cell death.
◦ apoptosis.
◦ differentiation.
◦ transcription.
◦ mitosis.
Question 2
The lining of the heart is called
◦ ciliated epithelium.
◦ endothelium.
◦ transporting epithelium.
◦ protective epithelium.
◦ secretory epithelium.