myelinate axons? Take a look at the images below and explain the process of myelination in each case.

Q: State whether heart rate and pulse rate increase or decrease immediately after exercise. •

A: Physical exercise allows the heart muscle to become more strong and better responsible for pumping b...

Q: What are the 4 primary blood vessels in the cardiovascular system and what type of blood do they tra...

A: There are five blood vessels found all around the body, including the arteries, veins, arterioles, v...

Q: Write down the sub divisions of Peritoneum?

A: Peritoneum cavity simply means abdominal cavity. It is a space between visceral peritoneum and parie...

Q: Draw a flow chart of blood supply to the kidney? (c) write a note on formation of urine by the kid...

A: Kidney filters the blood and forms filtrate, which on reaching the collecting duct is known as urine...

Q: Define the following: (a) Abdominal cavity (b) Pleura (c) Thoracic cavity (d) Axil skeleton (e) Bon...

A: The thoracic cavity consists of respiratory organs and the cardiovascular system. The abdominal cavi...

Q: What are the ascending pathways?

A: An ascending pathway can be defined as the nerve pathway in which information moves from the spinal ...

Q: Describe how the pacemaker cells produce a spontaneous diastolic depolarization, and how this leadst...

A: The heartbeat rate is set by the pacemaker cells, which are anatomically different from the contract...

Q: How is the semicircular canals different from the vestibule and how are they different from the coch...

A: Human ears consists of external ear, middle ear and inner ear regions. Each and every region houses ...

Q: What is an average number of leukocytes found per microliter of blood ?   THIS IS NOT AND WILL NOT B...

A: Blood is the most important fluid in the body and it contributes about 8% (approximately) of the bod...

Q: Describe the makeup of the respiratory membrane, and relate structure to function.

A: The respiratory membrane is a membrane covering the respiratory system and helps gases to move acros...

Q: If all nuclei are equivalent, what causes some cells to develop into neurons while others develop in...

A: The development of the human body begins from a single celled structure called a zygote. The sex gam...

Q: Recognize the importance of cytokines in immunity

A: Cytokines are small protein molecules with low molecular weight. These proteins serve as a molecular...

Q: Define coelom

A: The body's cavities or spaces include the internal organs, The two main cavities are the ventral and...

Q: Explain the effects of beta blockers on the heart and lungs. Why should non-selective beta blockers ...

A: Actions of adrenaline and nor adrenaline are executed by binding with receptors called adrenergic re...

Q: Now that you were able to know the Anatomical Terms of Movement and  its directional terms. Answer t...

A: The musculoskeletal system of the body consists of muscles, bones, cartilage, ligament and tendons. ...

Q: Enzymes secreted by the stomach are high in acid content. Explain the reason the lining of the diges...

A: The digestive system can be defined as the type of organ system which is formed by the organs partic...

Q: Write down the name of abdominal regions.

A: The abdominal region can be defined as the part of the body present between thorax and pelvis. The a...

Q: Name three extrinsic muscles and two intrinsic musclesthat flex the phalanges

A: The movement of the body parts is attributed to the coordinated action of the skeletal system and th...

Q: Describe the role of the various regions of the kidneytubule in the process of reabsorption.

A: Kidneys are bean-shaped organs found in pair on the either side of the spine, behind the belly and b...

Q: What are the sources of the hormones that sustain the uterinewall during pregnancy?

A: We know that placenta is an organ that develops during pregnancy. This structure helps to connect th...

Q: Figure 1 represents the amino acid sequence of a G-protein coupled receptor (GPCR) as determine by m...

A: G-protein-coupled receptors are cell surface receptors that sense outside molecules and cause cell r...

Q: Does parathormone increase or decrease calcium levels in the blood ? This is not and will not be gra...

A: Parathormone or parathyroid hormone is a hormone produced by a small gland known as parathyroid glan...

Q: Define skin? Briefly discuss its structure.

A: Skin is the largest organ of the body, it has a sebaceous gland that secretes sweat. The complexion ...

Q: Describe the characteristics of the three major types of joints.

A: In biology, bone is the anatomical terminology used to describe the rigid, hard organ that makes up ...

Q: why do children tend to have high-pitched voices, and why do males typically have lower voices than ...

A: The voice pitch of an individual completely depends on the tense muscles that surround the vocal cho...

Q: What body structures are produced from the three primary germ layers?

A: The three primary germ layers are formed during the process of gastrulation. During this process, th...

Q: A hypothetical poison prevents nucleoli from carrying out their functions.  Which organelles would b...

A: The cell is life's basic unit, and it contains many organelles to carry out different functions. Eac...

Q: What is the product of CAMP phosphodiesterase activity?

A: By the action of the enzyme adenylate cyclase, Cyclic adenosine monophosphate a nucleotide is genera...

Q: Why do previously trained muscles adapt more quickly to retraining after a period of disuse ?

A: Introduction: The exercises that result in increased heart rate and breathing, such as swimming, jog...

Q: What is cranium? Named the bones of cranium.

A: Skull is defined as the body structure that forms the skeletal framework of the vertebrates head. Th...

Q: explain how the nervous system and urethral sphincterscontrol the voiding of urine

A: Voiding of urine referred to as the excretion of urine from the bladder via urethra to the body outs...

Q: 1. What is the general name given for the types of organs that produce hormones ?   This is not and ...

A: A gland is a type of organ that produces and secrete substances that are used to perform specific fu...

Q: During Diastole, pressure inside the ventricle drops to near zero, but pressure inside the aorta onl...

A: Diastole is the period of the cardiac cycle where the chambers are filled with blood. This happens r...

Q: Where are olfactory receptors located?

A: Olfactory receptors can be described as the odorant receptors found on olfactory epithelium's cell m...

Q: Describe the outer and middle layers of the eye.

A: The eye is a hollow, spherical visualizing organ. It gives the ability to an organism to receive and...

Q: Define central nervous system (CNS)

A: The nervous system is the part of an animal's body that coordinates its behavior and transmits signa...

Q: What is muscle tone? How does it help to stabilize joints?

A: Muscle tone can be defined as the tension present in the resting muscles. It is the resistance of th...

Q: From what embryonic structures do most components ofthe cranial and spinal nerves form?

A: The process called gastrulation is the most characteristic event occurring during the third (3rd) ge...

Q: Suppose the time from the start of action potentials in the sensory neuron and the end of actionpote...

A: The neurons or nerve cells are the constituting as well as working entities of the brain. It has thr...

Q: The primary support for the glenohumeral joint is provided by the ________. a. coracohumeral ligamen...

A: The skeletal system of the body is composed of several bones, ligaments, and cartilages, and one of ...

Q: This question is about the endocrine system. How does the Pineal gland secretes hormones (Melatonine...

A:  The pineal gland is also called as epiphysis, is responsible for the secretion of the melatonin. Th...

Q: During transcription, a portion of mRNA is synthesized with the following base sequence. 5'-AUG-GUA-...

A: The cells are the basic biological structural and functional units of life. These cells of the body ...

Q: What are the primary target organs/tissues of TH? Describe the effect on each.

A: Introduction: The thyroid gland and anterior pituitary have integrated activities resulting in the r...

Q: in rat , the bladder is located at the ___ side of the body

A: Introduction: Rodents form 40 percent of the total mammal population. Except for Antarctica, they ar...

Q: For the reflex arc in Figure, name the: ______________________ 1. Nerve carrying motor information c...

A: The muscular system consists of smooth, skeletal, and cardiac muscles. Its major function is to perm...

Q: Starting in the hypothalamus, explain how chronic exposureto cold, food deprivation, or stress can a...

A: Introduction: The thyroid gland is located at the lower part of the sides and front of the neck. It ...

Q: 2- Match the correct terms with their meanings. Place the corresponding letter within the parenthesi...

A: Neurons are the major components of the central nervous system and plays a major role in transmittin...

Q: Describe the composition and functions of plasma and plasma proteins

A: Plasma, also called blood plasma, is the liquid portion of blood that helps to distribute heat throu...

Q: Discuss the hormonal changes of parturition for boththe fetus and the mother.

A: Parturition is the expulsion or delivery of the fetus from the mother's body. It occurs at the end o...

Q: Alan has been smoking for the past 20 years and has been experiencing some shortness of breath and a...

A: Emphysema is a type of COPD(Congestive Obstructive Pulmonary Disease). In this condition, millions o...