Question

Wuus lactors that are reasponsible for changing gene frequency
2.16] Draw the neat labelled diagram of thyroid gland & describe the structure.
2.17] [Enlist the three enzymes involved in lac Operon" giving their function
.18] Why can you feel a pulse when you keep? Finger on the wrist​

Answer 1

Answer:

2.18) As your heart pumps blood through your body, you can feel a pulsing in some of the blood vessels close to the skin's surface, such as in your wrist, neck, or upper arm.

( i am not able to add 2.17 answer)

hope it helps u.. pls mark mine as the brainliest