Explore our extensive collection of questions and answers to enhance your learning experience and prepare for exams effectively
Veganism is the practice of abstaining from the use of animal products, particularly in diet, and an associated philosophy that rejects the commodity status of animals. A follower of the diet or philosophy is known as a vegan. Distinctions may be made between several categories of veganism.
Celiac disease is a digestive disorder triggered by gluten, a protein found in foods that contain wheat, barley or rye. When people who have celiac disease eat gluten, the result is a reaction in their small intestine that can lead to symptoms such as diarrhoea, abdominal pain, bloating and weight loss.
Celiac disease is a digestive disorder triggered by gluten, a protein found in foods that contain wheat, barley or rye. When people who have celiac disease eat gluten, the result is a reaction in their small intestine that can lead to symptoms such as diarrhoea, abdominal pain, bloating and weight loss.
Bile is a yellow-green fluid that is made by the liver, stored in the gallbladder and passes through the common bile duct into the duodenum where it helps digest fat. The principal components of bile are cholesterol, bile salts, and the pigment bilirubin.
An imbalance between these components of bile leads to the formation of gallstones. Gallstones can thus be composed of different materials. Cholesterol gallstones form when there is an imbalance between the amounts of cholesterol and the bile salts. Cholesterol is normally kept in liquid form by the dissolving action of the bile salts.
An increased amount of cholesterol in the bile overwhelms the dissolving capacity of the bile salts and leads to the formation of cholesterol gallstones. Similarly, a deficiency of bile salts promotes cholesterol gallstone formation. Pigment gallstones are frequently associated with chronic infection in the bile, especially in certain Asian countries where parasitic infection of the bile ducts is common.
Patients with blood diseases that cause excessive breakdown of red blood cells can have increased amounts of bilirubin (the breakdown product of red cells) in the bile, thus causing bilirubin gallstone formation.
Bile increases the absorption of fats, it is an important part of the absorption of the fat-soluble substances, such as the vitamins A, D, E, and K. Besides its digestive function, bile serves also as the route of excretion for bilirubin, a byproduct of red blood cells recycled by the liver.
Tetanus, commonly called lockjaw, is a serious bacterial disease that affects muscles and nerves. It is characterized by muscle stiffness that usually involves the jaw and neck that then progresses to involve other parts of the body.
Tetanus is caused by an infection with the bacterium Clostridium tetani, which is commonly found in soil, saliva, dust, and manure. The bacteria generally enter through a break in the skin such as a cut or puncture wound by a contaminated object.
Yeast is the smallest fungi. Yeast is single-celled microorganisms that are classified, along with moulds and mushrooms, as members of the Kingdom Fungi. Yeasts are evolutionally diverse and are therefore classified into two separate phyla, Ascomycota or sac fungi and Basidiomycota or higher fungi, that together form the subkingdom Dikarya.
Yeast keeps your digestive system healthy and in balance. The right amount in your body helps your immune system do its job. Yeast is part of a healthy mix of bacteria in your gut. It can help you absorb vitamins and minerals from your food, and even fight disease.
Light travels through space at just over 186,000 miles per second. The moon is just under 250,000 miles from Earth, so light from the Moon’s surface has to travel more than one second (about 1.3 seconds) to reach us
Light travels at a speed of 299,792 kilometers per second; 186,287 miles per second. It takes 499.0 seconds for light to travel from the Sun to the Earth, a distance called 1 Astronomical Unit.
The visible light spectrum is the section of the electromagnetic radiation spectrum that is visible to the human eye. Essentially, that equates to the colors the human eye can see. It ranges in wavelength from approximately 400 nanometers (4 x 10 -7 m, which is violet) to 700 nm (7 x 10-7 m, which is red)
As the red colour is reflected, we see it red. Now, if you use green light to see the flower, then the flower will absorb it and nothing will be reflected. That’s why you will see it black, lack of light.
The shoulder is one of the largest and most complex joints in the body. The shoulder joint is formed where the humerus (upper arm bone) fits into the scapula (shoulder blade), like a ball and socket.
The ball-and-socket joint (or spheroid joint) is a type of synovial joint in which the ball-shaped surface of one rounded bone fits into the cup-like depression of another bone. The distal bone is capable of motion around an indefinite number of axes, which have one common centre. It enables the bone to move in many places (nearly all directions).
A hinge joint is a common class of synovial joint that includes the ankle, elbow, and knee joints. Hinge joints are formed between two or more bones where the bones can only move along one axis to flex or extend.
Pivot joint also called rotary joint, or trochoid joint, invertebrate anatomy, a freely moveable joint (diarthrosis) that allows only rotary movement around a single axis. The moving bone rotates within a ring that is formed from a second bone and adjoining ligament.