Correct option is C
Goblet cells are specialized unicellular glandular epithelial cells that are primarily found in the lining of the respiratory and digestive tracts.
- Lubricating the passage of food through the gut.
Protecting the intestinal walls from digestive enzymes and mechanical damage.
• Maintaining the mucosal barrier that prevents pathogen entry and promotes gut health.
• These cells are abundant in the small and large intestines.
• Overproduction of mucus can occur in conditions like chronic bronchitis and asthma.
• Brain – The brain is composed mainly of neurons and glial cells.
• Kidneys – These have nephrons and tubules for filtration and absorption.
• Liver – Liver has hepatocytes and bile canaliculi.