[blank_start]Large multicellular[blank_end] organisms develop systems for exchanging materials. During the development of a multicellular organism, cells differentiate so that they can perform [blank_start]different functions[blank_end]
Respuesta
different functions
Large multicellular
Pregunta 2
Pregunta
A tissue is a group of cells with similar structure and functions:
Respuesta
muscular tissue, which can contract to bring movement
glandular tissue, which can produce substance such as enzymes and hormones
epithelial tissue, which covers some part of the body
Pregunta 3
Pregunta
organs are made of tissues. One organ may contain [blank_start]several tissues[blank_end]: E.g. in the stomach is an organ that contains:
muscular tissues, to chum the contents, glandular tissues to produce digestive juices, epithelial tissue to cover the outside and inside of the stomach
Respuesta
several tissues
several organs
Pregunta 4
Pregunta
organs systems are [blank_start]groups of organs[blank_end] that perform a particular function. The [blank_start]digestive[blank_end] system is one example of a system.
The digestive system includes:
glands, such as the pancreas and salivary glands, which produce digestive juices
the stomach and small intestine, where digestion occurs
the liver, which produces bile
the small intestine, where the absorption of soluble food occurs
the large intestine, where water is absorbed from the undigested food, producing faeces