The structure (a specialized synapse) that allows neurons to control our skeletal muscle fibers is called the: 19. A. sarcolemma extracellular inr B. neuromuscular junction C. sarcoplasmic reticulum D. cross-bridge axiom

Q: Mechanoreceptors that detect pressure changes in the walls of blood vessels and in portions of the d...

A: The neural integration involves various electrochemical signals and receptors which are responsible ...

Q: Distinguish between suprahyoid and infrahyoid muscles, anddescribe the functions of each group

A: Suprahyoid muscles (those inserted superiorly on the hyoid bone) include the geniohyoid, mylohyoid, ...

Q: How is our concept of human form and function todayaffected by inventors from the seventeenth to the...

A: Cell is the fundamental membrane- bound unit that contains the basic particles of life and of which ...

Q: Which of the following membranes covers the stomach?a. falciform ligamentb. mesocolonc. parietal per...

A: The parietal peritoneum lines the internal walls of the abdominal cavity, forming a closed sac known...

Q: How could a disease such as liver cancer or hepatitisresult in impaired blood clotting?

A: The liver is the largest and most essential organ in the human body. They regulate most of the chemi...

Q: Which statement is true about intercostal nerves?a. They are formed from the posterior rami of spina...

A: The central nervous system consists of the brain and the spinal cord. The central organ of the human...

Q: For each of the following drugs, indicate whether the physiological effects of the drug were known b...

A: Identification of the target is a very important step while developing a new drug. The drug target i...

Q: Analysis of sugar and its intermediate products during sugar inversion

A: Sucrose SUGAR  has a  crystal structure. When subjected to high temperatures (over 186oC), this comp...

Q: 13. How many thoracic vertebra exist in the spinal cord? elaxed-state). (while the a. 6 b. 14 A a С....

A: 12

Q: Define falx cerebri

A: Introduction: The nervous system is the major controlling and coordinating system of the human body....

Q: 47. Name the structure 47 48. What are the ridges 48. indicated called? 49. 49. Name the specific op...

A: In the alimentary canal, there are a number of complex structures or organs occur. These include org...

Q: Besides the kidneys, Locate another instance of a countercurrent exchange system in biology or engin...

A: Within the kidneys, countercurrent duplication is the mechanism of utilizing vitality to make an osm...

Q: A patient has hyperparathyroidism because a tumor in the parathyroid gland is producing excessive am...

A: Hormones are secreted by the endocrine glands in the bloodstream. They are the chemical messengers, ...

Q: how does the structure of the intermediate filament relate to its structural properties?

A: Intermediate filaments  are a diverse, integral, and ubiquitous component of the nuclear and cytopla...

Q: Drugs are used to relax muscles during surgery.  Which of the two chemicals described next would mak...

A: A muscle relaxant is a drug which affects the skeletal muscles and decreases the tone of muscles. Th...

Q: How is DNA, which in its uncoiled form is quite long, packed inside a cell’s nucleus?

A: Deoxyribonucleic acid (DNA) is the genetic material of living organisms. In humans, DNA is found in ...

Q: "Our brains remain plastic throughout life" what are the advantages of this?

A: Plasticity is ongoing throughout life and involves brain cells other than neurons, including glial a...

Q: Select the best answer or answers from the choices given: Olfactory tract damage would probably affe...

A: The sensory pathways or sensory systems are part of the central nervous system, that is responsible ...

Q: Q NO 2 Define the reflex arc? Also write down its steps?

A: In neurophysiology, the term reflex arc is used to describe the neural pathway that regulates the ph...

Q: The reserve food material in algae is --------a) celluloseb) starchc) proteind) glycogen

A: The reserve food material is the stored food in the organism’s food storage organelle which comes un...

Q: Briefly describe the following terms and give an example for each case, in terms of hormones and hor...

A: Hormones are chemical messengers that are discharged specifically into the blood, which carries them...

Q: A coronary angiography is performed and shows a complete blockage of the LAD. Briefly describe what ...

A: A coronary angiography is performed to detect the blockage in the heart arteries. Left Anterior Desc...

Q: Differentiate between spastic and flaccid paralysis.

A: Paralysis is the loss of muscle work in portion of the body. It happens when something goes off-base...

Q: Table 8.2. Measurement of the Metabolic Rate of a Frog at Different Environmental Temperatures. Meta...

A: Homeostasis is maintenance of stable physical and chemical conditions in the body. Based on how anim...

Q: If an axon has been severed, so that it is no longer connected to itsneuron cell body, what will be ...

A: Neurons are the specialized principal cells of the nervous system that are the brain's functional un...

Q: Which of the following best describes veins?a. thick walled, small lumens, low pressure, lack valves...

A: The cardiovascular system has three types of blood vessels : arteries and arterioles, which carry bl...

Q: What are the two types of motor functions of the nervous system?

A: The Nervous system consists of the brain, spinal cord, sensory organs, and all of the nerves that co...

Q: Name and describe the muscles of the levator ani group.?

A: Muscles cells are of three types, Skeletal, cardiac and smooth muscles. Skeletal and cardiac muscle ...

Q: The kidneys play an important role in maintaining MAP by influencing which variable? Explain how ren...

A: Urinary system consists of kidneys, ureters, urinary bladder and urethra. The urinary system produce...

Q: On the basis of the information provided in Figure 9.17, complete the mechanisms for peptide-bond cl...

A: Genetic variation refers to differing qualities in gene frequencies. It can refer to contrasts betwe...

Q: everything you need to know about hepatitis and what to do in a physical examination (simple and eas...

A: Hepatitis is referred to as inflammation of the liver. This condition can be self limiting or locali...

Q: Write down a note on neuron and its parts and also draw its diagram?

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

Q: Describe four ways in which an antibody acts against anantigen

A: Immunity is an essential and characteristic feature of the human body. When the person’s immune syst...

Q: Carbon dioxide in the respiratory system will diffuse from...a.) the capillary to the alveolusb.) th...

A: The respiratory (gaseous exchange) system is an organ system that helps an individual or organism to...

Q: Define thermoreceptor

A: The receptors are broadly classified into four kinds. These are:  Photoreceptors - These receptors ...

Q: What are the two primary roles of the spinal cord?

A: The organ system which coordinates the behavior of a person and transports the signals between the d...

Q: What happens if the depolarization does or does not reach the threshold?

A:   Depolarization is shift in the neuron membrane potential from positive to negative. In response to...

Q: What would be the consequence if a cellunderwent mitosis but not cytokinesis?

A: The cell cycle is the series of events that take place in the cell that causes it to divide into two...

Q: Define carboxyl end

A: Amino acids can also be called as building blocks of proteins, are very essential component or macro...

Q: Distinguish among a lung, a lung lobe, abronchopulmonary segment, and a lobule. How are theyrelated ...

A: The oxygen requirements of cells are fulfilled by the process of breathing which includes inhalation...

Q: What is the importance of acetylcholinesterase in thesynaptic cleft? What would occur if acetylcholi...

A: The central nervous system is involved in the transmission of electrical impulses or stimuli from th...

Q: An athlete suffers a head injury that causes loss ofmovement in his left leg. What specific area of ...

A: The part of the body responsible for controlling its overall functions is the brain. It is the main ...

Q: Considering the force of contraction of a skeletal muscle fiber,wave summation occurs because ofa. i...

A: The skeletal muscle is also referred to as voluntary muscle, and is involved mainly in running, spri...

Q: Describe the anatomical position.

A: Anatomy, an important division of the older sciences, is the faculty of biological sciences that dea...

Q: Name the nerves present in the brain and spinal cord

A: Brain and spinal cord are the two important parts of the central nervous system. The brain is compos...

Q: Trace the passage of urine from the minor calyx to the urethra?

A: The kidneys are a pair of bean shaped structures. The kidneys are involved in the filtration and pur...

Q: The correct sequence of levels forming the body’s structural hierarchy is (a) organ, organ system, c...

A: The structural hierarchy is the orderly arrangement of various structures of the body on the basis o...

Q: Amino acids are needed to ________.a. build new proteinsb. serve as fat storesc. supply energy for t...

A:   Biomolecules refer to the molecules involved in metabolism inside the living organisms. They are c...

Q: Define tissue.

A: The cell is the fundamental structural, functional, and biological unit of all species. Since cells ...

Q: Chris and her friends were playing outside when she tripped and fell and got a large piece of metal ...

A: Introduction: The type of emergency care that is given to an injured person immediately soon after t...