The DNA hellicoidal structure according to the Watson and Crick model.
The structures of a flatworm and a earthworm are different by the way the are shaped. The earthworm is the one that looks like a regular worm it is more rounded and a flatworm looks like leeches.
Two examples of large structures constructed by the ancient Egyptians are pyramids and obelisks.
All buildings are structures but not all structures are buildings
Valves and blood vessels control the flow of blood through the heart. The aorta governs the functioning of these structures by being the main artery in the cardiac system.
Retrofitting is the process of making older structures more earthquake resistant.
doublehelix
there is your mother
Morphology is the study of parts, structures, and forms.
morphology-study of structures and forms of organisms
chees
yes
cheek bone
Structures
cerebral spinal fluid
Minerals form crystal structures.
Chorionic villi & Decidua Basalis
energy