Examlex
How many Calories are there in a food that contains 20 grams of carbohydrate, 8 grams protein, and 5 grams of fat?
Circulatory System
The circulatory system is the body's network of organs and vessels through which blood and lymph circulate, delivering nutrients and oxygen to cells and removing waste products.
Four-chambered Heart
A type of heart that consists of two atria and two ventricles, allowing complete separation of oxygenated and deoxygenated blood, commonly found in mammals and birds.
Circulatory System
The body system responsible for the flow of blood, nutrients, oxygen, carbon dioxide, and other substances to and from cells.
Mammalian
Relating to mammals, a class of warm-blooded vertebrate animals characterized by the presence of mammary glands which females use to feed their young.
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