It is a primary function of water in the body to
1. Cushion the brain and spinal cord.
2. Lubricate joints.
3. Maintain body temperature.
4. All of the above.
Question 2
A nurse explains micronutrients to a patient. The patient identifies that micronutrients include
1. Amino acids.
2. Water.
3. Proteins.
4. Vitamins.