Hypodermic needle is used to inject serums.
It depends on what kind of skin you have. If you have sensitive skin, then yes, fish oil can penetrate your skin.
yes
We need to penetrate their defences.The needle will penetrate his skin.
Under most circumstances, a .22 can easily penetrate human skin. There have been numerous fatal shootings with .22 cal firearms- and even a .22 pellet gun can penetrate skin.
what cracks in the skin penetrate the dermis
To thrust into, penetrate, or transfix, with a pointed instrument., To penetrate; to enter; to force a way into or through; to pass into or through; as, to pierce the enemy's line; a shot pierced the ship., Fig.: To penetrate; to affect deeply; as, to pierce a mystery., To enter; to penetrate; to make a way into or through something, as a pointed instrument does; -- used literally and figuratively.
Definitely YES!
stop
yes, but that's why you wear clothes so it doesn't penetrate your skin. If you mean penetrate like go through your arm and rip it off, no. But they can leave some pretty bad bruises.
A dermatome is an instrument to cut skin.
about a week so it can penetrate in your skin
Infrared, radio and x-ray telescopes.