Petrofac Emirates LLC Interview Questions and Answers

There are approximately 300 million alveoli in human lungs.

• Alveoli are tiny air sacs in the lungs where gas exchange occurs.

• The number of alveoli varies from person to person and can be affected by factors such as age and smoking.

• The large number of alveoli provides a large surface area for gas exchange to occur efficiently.

• Damage to alveoli can lead to respiratory problems such as emphysema.

Smallest bone - Stapes in ear, Largest bone - Femur in thigh

• Stapes is located in the middle ear and is only 2-3 mm in length

• Femur is the longest and strongest bone in the human body, measuring around 19-20 inches in length

• Both bones play important roles in our body's functions

The natural pace maker of our heart is the sinoatrial node (SA node).

• The SA node is a group of specialized cells located in the right atrium of the heart.

• It generates electrical impulses that regulate the heart rate and rhythm.

• The impulses from the SA node spread throughout the atria and then to the ventricles, causing them to contract and pump blood.

• If the SA node is not functioning properly, it can lead to heart rhythm disorders such as bradycardia or tachycardia.

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Spinal Ventosa is not a known medical term or condition.

The largest organ of our body is the skin.

• The skin is the outermost layer of the body that protects us from external factors.

• It is made up of three layers: epidermis, dermis, and subcutaneous tissue.

• The skin has various functions such as regulating body temperature, sensation, and vitamin D synthesis.

• Examples of skin-related conditions include acne, eczema, and psoriasis.