Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
August 17, 2023
Physiology

The Impact of Vasodilation & Intrathoracic Pressure during Chest Inspiration

Why does vasodilation increase blood flow in the capillaries, but decrease it in the chest during inspiration? Vasodilation refers to the widening or dilatation of blood vessels....

Mohamed Abbas
August 17, 2023
Physiology

The Impact of Vein Distention on Resistance in the Circulatory System

Why does distention of the veins not decrease their resistance in the first case but decrease it in the second? In order to understand why the distention...

Mohamed Abbas
August 17, 2023
Physiology

Effects of High Extracellular Calcium Ion Concentration

Effects of high extracellular fluid calcium ion concentration – what’s the reason behind it? High extracellular fluid calcium ion concentration can have several effects on the body....

Mohamed Abbas
August 17, 2023
Physiology

The Science Behind Blobfish Bloating

Why do blobfish become bloated when they are brought to the surface? Blobfish, also known as Psychrolutes marcidus, are deep-sea fish that inhabit the cold waters off...

Mohamed Abbas
August 17, 2023
Physiology

The Role of Gastric Acid in an Empty Stomach

Does an “empty stomach” have acid in it? Yes, an “empty stomach” does have some acid in it. The stomach produces hydrochloric acid (HCl) as part of...

Mohamed Abbas
August 17, 2023
Physiology

Understanding Nitrogen Exchange in the Respiratory System

Where does nitrogen go or come from as its partial pressure in different parts of the lungs decreases or increases? Nitrogen is an important component of the...

Mohamed Abbas
August 17, 2023
Physiology

How Speaking Can Attract Mosquitoes

Can mosquitoes be attracted by our voice? Mosquitoes are primarily attracted to humans through various sensory cues, such as body heat, carbon dioxide (CO2) emissions, and certain...

Mohamed Abbas
August 17, 2023
Physiology

Understanding the Impact of Myelin Sheath Damage in Multiple Sclerosis

Why does damage to myelin sheath in multiple sclerosis lead to a decrease in information reaching the brain from sensory receptors? The myelin sheath, which is a...