Explanation

Vitamin B Complex deficiency, specifically Vitamin B1 (Thiamine) deficiency, can cause:

Beriberi, a disease characterized by:

• Fatigue and weakness
• Nerve damage and pain
• Heart problems
• Swelling of legs and feet

Additional information:

• Vitamin B3 (Niacin) deficiency → Pellagra
• Vitamin B12 deficiency → Megaloblastic anemia and neurological problems

Last verified on 01-10-2026

Explanation

• Connective tissue provides support and structural strength to the body.
• Bone and cartilage are important connective tissues involved in skeletal support.
• It also connects, protects, and supports different body structures.
• It helps form the body's structural framework.

Last verified on 01-10-2026

Explanation

• Carbohydrates make up approximately 2–10% of the cell membrane.
• They are mainly present on the outer surface of the plasma membrane.
• They are attached to proteins and lipids.
• They are forming glycoproteins and glycolipids.
• They help in cell recognition and communication.

Last verified on 01-10-2026

Explanation

• Lactose = Glucose + Galactose
• Lactose is a disaccharide, meaning it contains two monosaccharide units.
• It is commonly known as milk sugar.
• Lactose is the main carbohydrate found in milk and dairy products.

Last verified on 01-10-2026

Explanation

• Residual volume (RV) is the volume of air that remains in the lungs after maximum forced expiration.
• It cannot be voluntarily exhaled completely.
• It helps prevent the lungs from collapsing.
• It is different from normal tidal breathing.

Last verified on 01-10-2026