Biology Quiz 4

Enzymes play a key role in process of digestion. The human body makes enzymes in the digestive system, including the mouth, stomach, and small intestine. Digestive enzymes help the body break down carbohydrates, fats, and proteins from food. This is necessary to allow for the absorption of nutrients and to maintain optimal health.

Beri-Beri is a disease caused by a vitamin B1 deficiency, also known as thiamine deficiency. The body needs thiamin to break down and digest the foods, keep the metabolism going, and help muscles and the nervous system do their jobs effectively.

In Bacteria generally hormone is not found but it can produce hormones that can affect host metabolism, immunity and behavior.

An ecosystem consists of a biotic community and its non-living elements. It consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows.

Allopathy is the branch of medicine involving synthetic chemical compounds. It is the treatment of disease by conventional means, i.e. with drugs having effects opposite to the symptoms.

The largest amount of sugar present in human blood is glucose. It is an important source of energy and provides nutrients to the body. It comes from food eaten. Blood carries glucose to all of the body's cells to use for energy.

Vitamin K is a group of vitamins that the body needs for blood clotting. Blood clotting or coagulation prevents excessive bleeding internally and externally.

Conduction and respiration are associated with plants during the dark period. Conduction is the process by which vital nutrients are transported to the different parts of a plant. This process is independent of the light factor. Respiration always occurs in plants, but night respiration is more evident since the photosynthesis process ceases.

Foramen Magnum (also called great hole) is an aperture found in the skull. It is a large, oval-shaped opening in the occipital bone of the skull.

The average normal body temperature is generally accepted as 98.6°F (37°C).