Exam: IELTS

Definition: The process by which blood or blood cells are produced in the body.

Example: Hematopoiesis is essential for maintaining healthy blood levels in the human body.

Definition: Relating to the process of forming blood cells in the body.

Example: The hematopoietic system is crucial for producing red and white blood cells.

Definition: A type of pigment that is a derivative of protoporphyrins, often found in biological systems and used in various medical applications.

Example: Hematoporphyrin is used in photodynamic therapy to treat certain types of cancer.

Definition: The presence of blood in the urine.

Example: The doctor diagnosed her with hematuria after she noticed blood in her urine.

Definition: A red, iron-containing compound found in hemoglobin and myoglobin that helps transport oxygen in the blood.

Example: Heme is essential for the function of hemoglobin in carrying oxygen throughout the body.

Definition: A type of protein that contains iron and helps some marine animals transport oxygen in their blood.

Example: Hemerythrin is important for the oxygen transport in certain marine invertebrates.

Definition: A type of carbohydrate found in plant cell walls that is less complex than cellulose and can be broken down into simpler sugars.

Example: Hemicellulose plays an important role in the structure of plant cell walls.

Definition: Relating to a group of marine animals that are part of the phylum Hemichordata, which includes acorn worms and pterobranchs.

Example: The hemichordate species found in the ocean exhibit unique characteristics that distinguish them from other marine life.

Definition: A type of marine animal that is similar to a worm and belongs to the phylum Hemichordata, characterized by having a simple backbone structure and gill slits.

Example: The hemichordate is an interesting creature that helps scientists understand the evolution of chordates.

Definition: A type of compound that contains water molecules in a specific ratio, where there is one water molecule for every two molecules of the main substance.

Example: Plaster of Paris is a common example of a hemihydrate used in construction and art.

Definition: Describing a type of insect development that does not include a pupal stage, where the young resemble smaller versions of the adults and grow through a series of molts.

Example: Grasshoppers are hemimetabolous insects, as they develop through several nymph stages before becoming adults.