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many substances like sweat which is a combination of salt and water,hairs,and many other things...:)
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Why do you leave behind fingerprints when you touch certain surfaces?
Oils on skin surface
What are tissues are found in the skin?
skin tissues, mussle tissues, organ tissues and bone tissues.
How does the skin protect you and what does it protect you against?
Skin protects the inside of the body from bacteria. If it weren't for skin, we would get infections way too easily and certainly would not be able to survive. Not only just bacteria, but from viruses, parasites, and fungi too. A substance called melanin protects your skin from burns.
What are gloves used for in lab?
We have to wear gloves when we are working in the lab because the skin of our hands is like a sponge. Our skin is not 100% closed and therefore anything we touch can be absorbed into our skin and go into our bloodstream. And so if you're working with any kind of substance that is harmful to your body it can get into your bloodstream through your skin and cause harm.
What substance soil provides to help plants grow?
how a substance that helps a plant grow wellhow a substance that helps a plant grow well
Which substance are found on cell surfaces and respond to nerve and hormone signals?
Receptor molecules are found on cell surfaces and respond to nerve and hormone signals.
A substance that tends to impair health or cause death when introduced into the body or onto skin surfaces?
drugs
What is the substance that tends to impair health or cause death when introduced to the body or onto the skin surfaces?
A toxin.
An is a substance that tends to impair health or cause death when introduced into the body or onto skin surfaces?
Drug
What convert a substance found in the skin to vitamin D?
There is a cholesterol that is found in the skin that will help to absorb the vitamin D that you get from the sun. This substance is called 7 dehydrocholesterol.
What are three respiratory surfaces found in an adult frog?
the skin the lungs and the mucus membranes lining the throat
What is the substance found in tissues that stretch like arteries lungs skin?
Elastin and collagen.
A disinfectant is a substance used to?
kill germson surfaces
What causes white discoloration spots on black skin?
the black substance obtained on the skin after hard rubbing are actually the dead cells of the skin epithelium which on rubbing mixes with the natural moisturizer i.e. sebum and comes on the skin as the black substance
What are found on the outer surfaces of stromatolites?
Biofilms of microorganisms, especially cyanobacteria, are found on the outter surfaces of stromatolites.
What is the difference between flesh and skin?
Skin is the external limiting tissue layer of an animal or human. Flesh is soft substance consisting of muscle and fat that is found between the skin and bones of an animal or human.
What is the substance that makes your hair and your skin have its pigment?
Melanin. It is found in most organisms. In animals melanin is made of the amino acid tyrosine.
