Physiology | Senioritis

Mohamed Abbas
August 17, 2023
Physiology

Understanding the Regulation of the Peak Magnitude in the Cardiac Pacemaker Action Potential

Why does the peak magnitude of the cardiac pacemaker action potential not increase to levels closer to the Ca++ equilibrium potential? The peak magnitude of the cardiac...

Mohamed Abbas
August 17, 2023
Physiology

The Crucial Role of Calcium Ions in Nerve and Muscle Function

How does a decrease in free Ca2+ result in nerve/muscle overexcitability? A decrease in free calcium ions (Ca2+) can lead to nerve and muscle overexcitability due to...

Mohamed Abbas
August 17, 2023
Physiology

The Factors Affecting Diffusion of Carbon Dioxide and Oxygen Across Cell Membranes

Why does carbon dioxide diffuse easier through the bilipid layer than oxygen? Carbon dioxide (CO2) diffuses more easily through the bilipid layer compared to oxygen (O2) due...

Mohamed Abbas
August 17, 2023
Physiology

Understanding the Importance of Blood Pressure and Flow Rate in the Body

Why do our bodies maintain blood pressure but not the flow rate? Our bodies maintain blood pressure but not the flow rate primarily because blood pressure is...

Mohamed Abbas
August 17, 2023
Physiology

Understanding the Role of Carbohydrates, Proteins, and Fats in Weight Management

Effect of the same caloric intake of different macronutrients on body weight When it comes to the effect of the same caloric intake of different macronutrients on...

Mohamed Abbas
August 17, 2023
Physiology

The Role of Liquid Endosperm in Coconut Seed Development

Why does the seed of the coconut tree have a liquid in it? The liquid found inside the seed of a coconut, known as coconut water or...

Mohamed Abbas
August 17, 2023
Physiology

The Importance of Binocular Vision and Depth Perception in Animals

Do animals with their eyes ~180 degrees apart have depth perception? Animals with their eyes positioned approximately 180 degrees apart, such as herbivores like horses or rabbits,...

Mohamed Abbas
August 17, 2023
Physiology

How Our Brain Determines the Direction of Odor When Breathing through One Nostril

How can we smell odor direction if we breathe through one nostril at a time? Our ability to detect the direction of an odor is not solely...