Betty, 66 years old, is in great physical shape. she works out at the gym every day, and recently her doctor told her she is in exceptionally good health. betty is young in terms of her biological age, it is the condition of our system, tissues and cells that marks our physical aging.
Answer:
But if scientists want to know what Earth's climate was like hundreds of thousands to millions of years ago, they study sediment cores and ice cores. Sediment cores come from the bottoms of lakes or the ocean floor. Ice cores are drilled from deep — sometimes miles — below the surface of the ice in places like Antarctica.
More than 99 percent of all species, amounting to over five billion species, that ever lived on Earth are estimated to be extinct. Estimates on the number of Earth's current species range from 10 million to 14 million, of which about 1.2 million have been documented and over 86 percent have not yet been described.
Explanation:
White blood cells are part of the body's immune system. They help the body fight infection and other diseases. Types of white blood cells are granulocytes (neutrophils, eosinophils, and basophils), monocytes, and lymphocytes (T cells and B cells).Types of white blood cells
Monocytes. They have a longer lifespan than many white blood cells and help to break down bacteria.Lymphocytes. They create antibodies to fight against bacteria, viruses, and other potentially harmful invaders.Neutrophils. They kill and digest bacteria and fungi. ...Basophils. ...Eosinophils.
Answer:
The principal exotic dairy breeds of goats are Toggenberg, Sannen, French Alpine and Nubian. They are all noted for their higher milk yield and most of these breed, were imported to India to improve milk yield of our local breeds and to upgrade our non descript goats
