Want this question answered?
Organic chemical compounds
All hormones are blood-borne.All hormones are "chemical messengers."
Steroids are a class of lipid molecules that have 4 carbon rings.
They are not classified as a vehicle at all. They have no motor so are classified in the trailer group.
Spiders are not a bug, they are classified into a group called as arachnids.
All Other Miscellaneous Chemical Product Manufacturing
Lead is an element, not a property. All the elements have physical and chemical properties.
The endocrine system controls the body by means of chemical molecules called hormones.
They all consist of multiple elements.
All elements in Group 18 are classified as Noble Gases. As such, their outermost shell (or "orbital") is full of electrons making them highly stable. Only a handful of elements are capable of stealing their electrons.
These animals are all classified in the mammal group known as marsupials.
Yes, all hormones are released into the blood stream and then circulate to all tissues; only those target tissues that are designed to react to specific hormones will react to the presence of the hormone. Hormones are chemical messengers that are released into the blood stream, designed to cause changes in only certain tissues.