Life Processes

Because of their location, these lobes are not commonly susceptible to any injury.

Association areas do not receive sensory information directly, but via the primary motor or sensory cortices in the brain.Thier main function is to produce a meaningful perceptual experience of the world, and enable us to interact effectively, and support abstract thinking and language.  

Physically the brain of fish does not have a hippocampus region which is found in higher order vertebrae animals. The hippocampus is the part of the brain that is involved in memory forming, organising, and storing.

The key functions of the cardiovascular system are:
Distribution of O₂, water, electrolytes and nutrients to all body tissues; transportation of CO₂ and metabolic waste products from the tissues to the lungs and kidneys; and thermoregulation.

Hyaluronic acid is a highly viscous mucopolysaccharide that holds cells together in corona radiata, lubricates body tissue, and blocks the spread of microorganisms. It is found in the skin, the vitreous humor of the eye, and the synovial fluid of the joints.

The fundus of the urinary bladder is the base of the bladder formed by the posterior wall. The smooth muscle of bladder contracts to expel urine from the body. The trigone lies in the internal surface of fundus of bladder.

It is a V -shaped groove differentiating the anterior two-thirds of the tongue from the posterior third and containing the circumvallate papillae.

Both kidneys receive an arterial supply directly from the aorta and the renal veins drain directly into the inferior vena cava.

It is the correct statement. Reticulocytes are young, anucleate, and red blood cells, which are released from bone marrow into the blood in increased numbers as a response to anemia.

It is the part of the male urethra lying between the layers of the urogenital diaphragm and connects the parts of the urethra passing through the prostate gland and the penis. The second constriction of male urethra lies in membranous part.

It refers to the wall at the back of the pericardial sac. It acts as a collection reservoir to isolate oxygenated haemolymph entering the heart.

Astrocytes have many cytoplasmic processes terminating on blood vessels. These cells are engaged in all essential CNS functions including blood flow regulation, maintaining the blood brain barrier, energy metabolism, ion and water homeostasis, immune defence of the body, etc.

In case of injury, the damaged endothelial cells lining the blood vessel release von Willebrand's Factor, which makes the surfaces sticky. The platelets start adhering to the surfaces of endothelial cells. This effect is called platelet adhesion.

Broca's area is the part of the brain, which is on the front left side of the cortex of the brain and is responsible for not only speech production but also language comprehension, language compression and controls facial neurons.