Answer:
To remove water from a sample of blood, dehydration techniques such as freeze-drying or vacuum drying, or the use of desiccants can be employed.
Step-by-step explanation:
One way to remove water from a sample of blood is through a process called dehydration. This can be achieved through techniques such as freeze-drying or vacuum drying, which are commonly used to remove water from foods and other materials. Another method is to use a desiccant, which is a substance that absorbs water from its surroundings, to remove the water from the blood sample.