Explanation

Explanation

• The nervous system is the body system that controls and coordinates the functions of all other organ systems.
• It allowing for integration and regulation of various bodily functions.
• It consists of the brain, spinal cord, nerves, and sensory organs.

Explanation

Cyanobacteria are photosynthetic bacteria that contain chlorophyll and appear bluish-green in color.

They are called blue-green algae, but they are prokaryotic and not true algae (which are eukaryotic).

Explanation

• Bile is produced by the liver and stored in the gallbladder.
• It is released into the small intestine to facilitate fat digestion and absorption.
• Bile breaks down fats into smaller particles, making it easier for enzymes to digest them.

Explanation

Explanation

• a) Tuberculosis – Caused by the bacterium Mycobacterium tuberculosis 

• b) Typhoid – Caused by the bacterium Salmonella typhi 

• c) Cholera – Caused by the bacterium Vibrio cholerae 

• d) Influenza – Caused by the influenza virus (NOT a bacterium)

Explanation

This is the typical concentration in a healthy person during fasting.

The normal blood glucose level is about 80–100 mg/dL, which is roughly 0.08% of the blood by weight.

0.8% and 0.7%:

These are closer to the correct range but still slightly higher than what is typically considered normal. 

7.5%:

This is significantly higher than the normal range and would indicate a serious medical condition like diabetes. 

Explanation

Explanation

Tetanus is caused by a bacterium (Clostridium tetani), not a virus.

Explanation

Bacteriophages are viruses that infect bacteria and are typically much smaller than other viruses like adenoviruses.

While adenoviruses range in size from 70-90nm, bacteriophages can be as small as 20nm.