Homeostasis Part 2

Importance of body water include:

• • Protecting the spinal cord and other sensitive tissues​

• • Removing waste by urination, sweating, and bowel movements​

• • Lubricating and cushioning joints​

• Breaks down food particles in the digestive system

Extracellular fluid consists of:

• Interstitial fluid

• Plasma fluid

• ICF

• EPF

Location of water loss in the body include:

• Kidney

• Skin

• GI Tract

• Hair follicles

Functional unit in kidney is known as ______

• Nephron

• Medulla

• Cortex

• Ureter

Main parts in nephron include:

• Glomerulus

• Loop of Henle

• Distal convulated tubules

• Renal artery

What are the factors involved in regulating water balance?

• Angiostensin II

• ANP

• ADH

• Aldosterone

When water is lost but electrolytes retained___

• ECF osmolarity rises

• Water moves from ICF to ECF

• ADH released

• Cells swell

What causes dehydration?

• diarrhea

• water intoxication

• too much time spent on tiktok

• diuretic abuse

Choose the correct statement on Potassium K+

• • Most abundant cations in ICF​

• • Key role in establishing resting membrane potential in neurons and muscle fibers​

• Level in blood is controlled by ANP

• Secretion is controlled by aldosterone

What happened to Selena Gomez?

• Lost her kidney

• Lost her friend

• Lost her talent

• Lost her fans