Tissue and Blood!.
What materials make up the endoskeletons of most vertebrates
A true endoskeleton is derived from mesodermal tissue.
Cartilage ! Not silica!!
check on materials to make bubbles and how to make bubbles.com/materials
Endo = inside. Endoskeletons are skeletons like ours, bones on the inside. Arthropods have EXOskeletons, armour on the outside.All arthropods have segmented bodies with tough exoskeletons made from chitin.
Aluminium and steel Alloys are the most common bicycle materials.
most usually spandex
There are many different types of materials that are used to make tacks. Some of the most common tack materials include plastic, brass, tin, and iron.
Pigeons use a vast number of materials to make nests. The most common materials are twigs. But they also use anything they encounter like straws, thin cables and cigarette butts.
Many different materials are used to make motorbikes. The most commonly used materials include: Steel, chrome, aluminum, plastic (For the covering), rubber (For the tires), and vinyl/leather or foam (for the seats).
The endoskeleton is an internal skeleton. Human beings and other mammals have endoskeletons. Basically, any animal with their bones on the inside has an endoskeleton.
they use paint, rocks and most of the materials we use