What do hair, fingernails, and the stratum corneum all have in common? Select ALL answers that are correct. They are dead O They grow in 2-7 year cycles They contain keratin They contain collagen fibers

Q: question 12

A: The arteries are the blood vessels that convey oxygen-rich blood from the heart to the tissues of th...

Q: Blood flows through the___________ vena cavae and coronary sinus into the right atrium through the t...

A: The cardiovascular system mainly consist of heart, blood vessels and the blood which carries oxygen ...

Q: describe the components and physical properties ofblood;

A: Blood is a fluid that moves through blood vessels of the circulatory system. The blood constitutes p...

Q: Nitroglycerin (the key ingredient in dynamite) is sometimes prescribed for heart disease patients. W...

A: Nitroglycerin tablet is sold under a brand name drug Nitrostat. This drug lowers the blood pressure ...

Q: 29. Which of the following : A. It is watcr soluble B. Lack of it causes pernicious anaemia C. Intri...

A: The false statement is it is primarily absorbed in the jejunum.

Q: Select the letter of the choice that best completes the statement. Special circulation that collects...

A: Blood circulation Blood vessels are organized into circulatory routes that carry blood to specific o...

Q: In cellular injury, what is the general mechanism?

A: The stimuli which causes cellular injury involves immunological reactions that is hypersensitivity r...

Q: What are globulins? What do they do?

A: Globulins are a type of plasma protein. They are bigger in size than albumin. Globulins are mostly f...

Q: Where do most veins superior to the diaphragm drain?

A: The human circulatory system, also called the cardiovascular system, is responsible for the circulat...

Q: Describe the mechanisms by which the kidneys regulateblood volume and erythrocyte production.

A: The kidney is a pair of excretory organs, a bean-shaped structure located in the abdomen, one on eit...

Q: Describe the sound conduction pathway to the fluids of the internal ear, and sound transduction.

A: Ear is a pair of sensory organ locate on both the sides of head. It converts or transduce sound ener...

Q: Genetic Crosses that Involve 2 Traits In rabbits, black hair is dominant to brown hair. Also in rabb...

A: Given: B =  dominant allele = black hair b = recessive allele = brown hair E = dominant allele = lon...

Q: Explain the role of thyroid hormones in their regulation of basal metabolism. Don't copy from Googl...

A: The thyroid gland consist of making of important hormones like Thyroxine and triiodothyronine, that ...

Q: What is the primary source of body heat? What are somelesser sources?

A: Heat is generated as a by-product in almost every physiological reaction and various other activitie...

Q: Describe the difference between a muscle’s origin and itsinsertion.

A: The muscular tissue is made up of cells which are specialized for contractions. These cells are call...

Q: An athlete is sweating profusely but does not rehydrate. The changing conditions are detected by osm...

A:     Each of the body systems works in collaboration with other systems. Endocrine system, circulator...

Q: List four biological criteria of life and one clinical criterion.Explain how a person could be clini...

A: Life is a special character that differentiates the physical entities with biological processes from...

Q: Production of any sort of nitrogenous waste other than ammonia costs energy. Name at least three dis...

A: The metabolic wastes containing nitrogen compounds must be excreted from the body into a less toxic ...

Q: Draw a flowchart (explaining all steps in it) for Heidelberg screening to identify the maternal and ...

A: Heidelberg screening is the study that is incorporated in the large-scale change of genetic informat...

Q: Identify the position and location of the heart

A: The heart is the organ of the cardiovascular organ system of the body. Its function is to help in th...

Q: Name the three classes of fiber tracts in the white matter if the cerebrum

A: White matter is basically a component of the central nervous system, consisting of glial cells and m...

Q: Anatomy and Physiology Name 3 blood material interactions that may potentially be detrimental to the...

A: There are various medical appliances which when used to treat a patient comes in contact with the bl...

Q: Describe how vitamin A is metabolized (where primarily digested, absorbed, and transported) within t...

A:   Vitamins are micro-nutrients required for our body in minimal amounts to perform necessary functio...

Q: which statements are true about the Auditory Structures and Functions a. The external ear consists o...

A: The auditory structure in the body is ears. They are divided into three parts: the outer ear, middle...

Q: Last question?

A: The liver is a detoxifying organ present in the upper right corner of the human abdominal cavity. Th...

Q: Acromegaly and gigantism are both caused by hypersecretion of Select one: a. hGH b. thyroxine c. A...

A: Gigantism and acromegaly are related disorders that refer to excessive growth or excessive increase ...

Q: Define amniotes

A: Animals are eukaryotic multicellular organism that constitute kingdom Animalia. They are mainly divi...

Q: Same detail

A: The skeletal system of the body consists of bones and joints. The primary function of this system is...

Q: Which statement regarding the thymus is true? (a) It is situated in the left upper angle of the abdo...

A: The thymus gland between the lungs, is in the chest and behind the breastbone. It is just above the ...

Q: What does hemopoiesis mean? After birth, what one celltype is the starting point for all hemopoiesis...

A: Hemopoiesis can be defined as the process in which the formation of the blood cells in living organi...

Q: A tumour on the parathyroid glands will result in excessive production of parathyroid hormone (PTH) ...

A: Hyperthyroidism is caused by excessive production of parathyroid hormone (PTH) which causes higher t...

Q: What effect would nicotine, which is a vasoconstrictor, have on peripheral resistance? Considering t...

A: The pressure required to pump the blood is known as blood pressure. It is circulating’s blood pressu...

Q: Given the following activities:(1) repair (3) gamete production(2) growth (4) differentiationWhich o...

A: Step 1 In eukaryotes, two types of cell division occurs : mitosis and meiosis. Meiosis is the termed...

Q: Describe the structure and functions of the dermis.

A: The skin is the largest organ in the human body that forms a barrier by covering the body. It is the...

Q: Describe the role of secretory vesicles in the cell.

A: The basic structural and functional unit of organisms, that is, the cell, comprises several differen...

Q: What is recombinant tissue plasminogen activator (rec-tPA)?

A: Introduction: Certain conditions like myocardial infarction (death of the cardiac muscle tissue or h...

Q: A researcher measured the rate of ADH excretion as a function of exercise. 6. Plasma 4 ADH Concentra...

A: Antidiuretic hormone (ADH) or vasopressin is an endocrine hormone synthesized by the hypothalamus. I...

Q: Homeostasis involves maintaining Select one: a. body conditions outside the normal range b. a rela...

A: The cells are basic structural and functional units of life. The human body contains many types of c...

Q: What are the consequences of insufficient parathyroid hormone(PTH) secretion?

A: The endocrine regulator of calcium and phosphorous body levels that is synthesized and released into...

Q: Aquaporin channels are only found in the collecting duct.a. trueb. false

A: Aquaporins referred to as the water channels present in the Kidney that is responsible for water tra...

Q: The QRS complex of the ECG is produced when the, (a) atria depolarize. (b) ventricles depolarize. (c...

A: An electrocardiogram is used necessarily and generally in hospitals to record the electrical signals...

Q: Aside from the nervous system, which other organ system develops out of the ectoderm?a. digestiveb. ...

A: The organ systems and body tissues in an organism's body develop from three germ layers; these layer...

Q: 9. What are four benefits to doing regular physical activity and exercise?

A: Exercise is a type of physical activity and involves the movement of muscles using energy. Exercise ...

Q: Which of the following is a function of synovial fluid?a. lubricates the jointb. provides nutrients ...

A: Synovial fluid is a fluid found between the joints; it cushions the end of the bones and reduces the...

Q: Describe the absolute and relative refractory periods.Relate them to the depolarization and repolari...

A: The refractory period is one of the many phases of the action potential. It is when a cell or an org...

Q: Distinguish between oxygen deficit and excesspostexercise oxygen consumption.

A: The amount of oxygen that is inhaled by our body and used each minute is known as oxygen consumption...

Q: 2. Radiometric dating does not measure the age of an individual atom. It is a measure of the age of ...

A: Radiometric dating is a technique used to date the carbons, fossils and rocks to analyze its age and...

Q: Identify the abdominal muscles you use when you do the dance called the “twist.”

A: Muscle referred to as the soft body tissues that help in carrying out the body's movement.  The prin...

Q: Which muscles open and close the openings to theauditory tube and to the larynx?

A: The auditory tube or the Eustachian tube joins the nasopharynx to the middle ear. The eustachian tub...

Q: Melatonin is a hormone made by the pineal gland, a small gland in the brain. Melatonin helps control...

A: Circadian rhythm refers to the 24 hours sleep wake cycle, which consists of approximately 16 hour ac...