AHS 201 - Final Exam

Water

Comprises 50%-70% of the human body, essential for life, present in every cell, tissue, and organ.

Intracellular fluid

Fluid contained within a cell, about 2/3 of the body's water.

Extracellular fluid

Fluid present outside the cells, about 1/3 of the body's water.

Electrolytes

Charged ions like sodium, potassium, chloride, and phosphate that transfer electrical current in the body.

Osmosis

Passage of water through a membrane from a less concentrated to a more concentrated compartment.

Antidiuretic hormone

Regulates fluid conservation in the body.

Dehydration

Results from inadequate water intake, observed through urine color.

Sodium

Essential electrolyte, attracts water, involved in fluid balance and nerve impulse conduction.

Hypertension

High blood pressure, influenced by factors like sodium intake, obesity, and inactivity.

Calcium

Essential mineral for bone health, absorption influenced by Vitamin D, recommended daily intake varies with age and gender.