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The placenta is composed of tissues from the?
The placenta is composed of tissues from both the mother and the fetus. It is made up of fetal and maternal blood vessels, connective tissue, and other cells that allow for the exchange of nutrients, oxygen, and waste products between the mother and the fetus.
What are internal skeletons?
Internal skeletons are structural systems found inside the bodies of animals, providing support and protection for their organs. These skeletons can be made of bone (as in mammals), cartilage (as in sharks), or a combination of both. Internal skeletons allow for greater flexibility and movement compared to external skeletons like shells or exoskeletons.
During which stage of prenatal development does the fetal period of development occur?
The fetal period of development occurs during the third stage of prenatal development, which is the fetal stage.
What are the 2 methods of fetal monitoring counting?
The two methods of fetal monitoring counting are electronic fetal monitoring (EFM), which uses ultrasound to track the baby's heart rate, and counting fetal movements, which involves the mother keeping track of the baby's movements to ensure they are active and healthy.
Why do we have skeletons for?
We have skeletons so that we don't look like a big glob.
The skeletons of sponges are composed of?
spicules
What is the fetal skeleton mainly composed of?
Cartilage
Do fish have skeletons?
yes don't you see in Tom & jerrywhen cats eat fishes and through the skeleton ?? Alternate answer: Yes fish have skeletons. Some fish skeletons are composed of cartilage and some fish skeletons are composed of bone much like human skeletons. FISH ARE VERTBRATES WITCH MEANS THEY HAVE BACKBONES
How was the rock made?
Chalk is a form of limestone composed of the skeletons and secretions of small marine organisms.
Which sedementray rock is composed of fragment skeletons and shells of sea organisms compacted and cemented together?
limestone
Which sedimentary rock is composed of fragmented skeletons and shells of sea organismscompacted and cemented together?
Limestone is a sedimentary rock composed of fragmented skeletons and shells of sea organisms. These fragments are compacted and cemented together over time to form the rock.
What is lithified of tiny marine organisms with skeletons composed of silica?
Diatoms are tiny marine organisms with skeletons made of silica. When these diatom skeletons accumulate and become cemented together over time, they form a type of sedimentary rock known as diatomite or diatomaceous earth.
What is a calcareous sponge?
A calcareous sponge is any of a variety of sponge of the class Calcarea, with skeletons composed of spicules of calcium carbonate.
Do eels have bones?
Eels are fish, and fish have a skeleton. Note, however, that the skeletons of fish are not composed of "bone" as we know it, but of cartilage.
Which animals have endoskeletons?
An endoskeleton are inner skeletons that are composed of tissue that has become mineralized. Animals with endoskeletons are humans, monkeys, horses, birds, and fish.
Where do muscels attach to the skeletons of invertebrates?
Muscles attach to the exoskeletons of invertebrates at sites called apodemes. Apodemes and the exoskeleton are primarily composed of a polymer called chitin.
How are skeletons of amphibians similar to skeletons of other vertebrates?
The skeletons of amphibians, like those of other vertebrates, are composed of bone and cartilage. They share a common structural organization, with a skull, vertebral column, and limb bones. Additionally, amphibian skeletons serve similar functions, providing support, protection, and facilitating movement. Despite some variations in specific adaptations, the fundamental similarities in skeletal structure reflect shared evolutionary ancestry among vertebrates.
