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A measure of length. There are 100 centimetres in a metre.

A tube used to drain fluid from or give fluid to the body.

Birth of a foetus from the uterus through an incision (cut) made in the mother's abdomen.

In biology, camouflage is a defense mechanism used by organisms to disguise themselves.

A biological membrane that separates the interior of the cell from the outside environment.

In epidemiology, a cluster describes a high number of cases grouped in place and time.

The act of determining the quantity or the total number of objects in a set or a group.

A cent is a small unit of month worth one-hundredth of some currencies, for example the dollar and the euro.

A health care provider monitors labour progress by measuring cervical dilation (in centimeters) and how far the baby's head has moved down the pelvis.

Birth of a foetus from the uterus through an incision (cut) made in the mother's abdomen.