The four extra embryonic membranes in mammals are the amnion (protective sac filled with amniotic fluid), chorion (helps form the placenta), allantois (involved in waste elimination and gas exchange), and yolk sac (produces the first blood cells and contains nutrients for the developing embryo). Together, these membranes support and protect the developing embryo/fetus during gestation.
A type of egg is composed of a protective shell and membranes that surround the developing embryo is an egg
true
To be protective.
The purpose of mammals fur is to keep them warm through the winter
An amnion is the innermost membrane of the fetal membranes of reptiles, birds and mammals.
Meningitis is acute inflammation of the meninges. These are otherwise known as the protective membranes covering the spinal cord and the brain.
All buffaloes are mammals. They give birth to live young and are fiercely protective of them.
Land Mammals
The brain only have 3 different membranes.
tax
The least protective body cavity is the nasal cavity, as it is lined with delicate mucous membranes that can be easily damaged.