Yes
what mosquitoes
Only female Mosquitoes bite and perice the skin causing you to itch.
porcupines have sharp quills on them that are sharp enough to pierce skin
They pierce the skin of a host and suck blood.
old skin is fairly easy to pierce whereas young skin is new and old skin has wrinkles young skin does not have wrinkles because the skin is stretchy
For tattooing.. the dermis. For poking around, the epidermis.
It is a kind of grass that can pierce though skin and clothing.
Anytime you are hit very hard you will develop welts underneath your skin. If you are playing to close paintballs can also break the skin.
To calculate the force needed to pierce skin with a needle, you would need to consider factors like the needle's diameter, material, and sharpness. Bernoulli's principle and Young's modulus can also be used to estimate the force. However, performing actual experiments using materials similar to human skin may be the most accurate way to determine the force needed to pierce skin with a needle.
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Bedbugs do not bury their heads in the skin. They have what is called "piercing/sucking mouth parts". They pierce the skin and suck out the blood.