Digestion and absorption: Human digestive system

The oesophagus is a muscular tube that connects the pharynx to the stomach and transports food. The upper esophageal sphincter, which is partially formed by the cricopharyngeus muscle, leads to the lower esophageal sphincter, which is encompassed by the crural diaphragm. Food mixes with saliva when it enters the mouth. Salivary enzymes break down food […]

Metabolism is defined as a series of chemical reactions that take place in a living organism in order to maintain its life. Metabolism is defined as the sum of all biochemical reactions that take place in an organism in order to maintain the living condition of the cells within it. Energy is required by all

The five senses are the primary tools that people employ to comprehend their surroundings. Sight, smell, hearing, taste, and touch are the five senses. We used to see with our eye, smell everything with our noses, hear using our ears, and taste with our tongues, feel with our skin. Each of these organs sends messages

Some microorganisms create lactic acid from pyruvic acid. This technique is metabolic and is also seen in pets’ muscle mass cells. Since there is inadequate oxygen for respiration in muscle tissue cells during physical exercise, pyruvic acid is reduced to lactic acid. It happens during chemical lactate dehydrogenase. As an agent, it reduces NADH+H+ to

Fats are one of the three most important nutrition components of the diet for humans, along with carbohydrates and proteins. They are a key part of basic food products such as dairy and edible oil. Fats are a basic source of energy for many animals, as well as an important component in the structure and

Fats are one of the essential parts of the diet and play a crucial role in metabolism. It is a type of macronutrient along with protein and carbohydrates. On the other hand, a calorie is a unit of energy, generally measured in kilocalories. In the following sections, you will learn more about fats and calories. 

Fats are one of the most essential macronutrients present in food and among the main sources of energy in the body. Our body uses fats to maintain body temperature, keep warm, and transport vitamins (including vitamin A, D, E, and K, which are fat-soluble) in the blood. We get fats from our diet. Fats ‘s 

The optimum amount of vitamins in our body is required for proper growth, strong bones, and development. These vitamins extract the essential components of the food we eat, transform them into energy, and deliver it to every part of our body. Vitamins help in the correct functioning of our bodies and the maintenance of our

Facilitated diffusion is a natural movement or transportation. It is where the specific structural systems of biomembranes interact with specialised solute molecules or categories of solutes, allowing them to pass the membrane faster. The factors affecting the rate of facilitated diffusion are temperature, concentration gradient, selectivity, and saturation. It is an entirely passive procedure that

The process of spontaneous passive transport (as opposed to active transport) of molecules or ions across a biological membrane via a certain transmembrane integral protein is known as facilitated diffusion (also known as facilitated transport or passive-mediated transport). Because it is passive, assisted transport does not require chemical energy from ATP hydrolysis in the transport