Explanation

• The study of tissues is called Histology.
• It involves examining the structure, composition, and function of cells and tissues under a microscope.
  

Additional information:

• Geology is the study of rocks and Earth's structure.
• Radiology is the study of medical imaging techniques like X-rays and MRI.

Last verified on 22-01-2026

Explanation

Flat bones are found in areas like the skull and ribs.

They providing protection and surface for muscle attachment.

They are thin and flattened compared to other bone types.

Explanation

Hydrochloric acid (HCl) is secreted by the stomach lining.

It activates pepsinogen into pepsin, an enzyme that digests proteins.

HCl also kills harmful bacteria in food and creates an acidic environment.

Proper protein digestion is essential for amino acid absorption in the small intestine.

Explanation

• The average adult has a blood volume of about 5 liters, though this can range from 4.5 to 5.5 liters
• Male: About 5.5 liters.
• Female: About 4.5 liters.
• Proportion: Blood makes up roughly 7% of a person's total body weight. 

Explanation

The medulla oblongata is located in the brainstem.

It regulates involuntary functions such as heartbeat, breathing, and blood pressure.

The cardiac center within the medulla controls heart rate and force of contraction.

It receives signals from the autonomic nervous system (sympathetic and parasympathetic).