Biology-II Archive

Vitiligo, symptoms and causes

Vitiligo is a skin condition that causes loss of pigmentation in certain areas of the skin. The condition results from the destruction of melanocytes, the cells that produce the pigment melanin, which gives color to the skin, hair, and eyes. …

Renal system of man MCQs

What is the main function of the kidneys? a) To produce urine b) To produce red blood cells c) To produce hormones d) To produce enzymes What is the main function of the renal tubules in the kidneys? a) To …

Tetanus; symptoms, causes and vaccine

Tetanus is a serious, potentially life-threatening disease caused by a bacterial toxin. It is most commonly caused by a puncture wound or cut that becomes contaminated with soil or other substances that contain the bacteria that produce the toxin. Causal …

Muscle fatigue, reasons and remedies

Muscle fatigue is a feeling of tiredness or exhaustion that occurs after repeated muscle contractions or physical activity. Reasons: It is a normal response to exercise and is typically caused by the build-up of lactic acid in the muscles. Lactic …

Cramps, Reasons and Remedies

Cramps are painful, involuntary muscle contractions. They can occur in any muscle in the body, but are most common in the legs, stomach, and arms. Causes Cramps can be caused by various factors, such as muscle fatigue, dehydration, and electrolyte …

Nervous system MCQs

Which of the following is NOT a part of the central nervous system? a) Brain b) Spinal cord c) Peripheral nerves d) Retina Which of the following is NOT a function of the nervous system? a) Sensory processing b) Motor …