Name the three systems that are most affected by stress?

Q: Define epineurium

A: The peripheral nervous system (PNS) is composed of nerves that connect the peripheral organs to the ...

Q: The medullary cavity of a child’s bone may contain:- a. red bone marrow.  b. hyaline cartilage.  c. ...

A: A medullary cavity can be defined as a central cavity that is present in the bone shafts. Bone shaft...

Q: A healthy elastic artery ________.a. is compliantb. reduces blood flowc. is a resistance arteryd. ha...

A: Blood vessel forms the part of circulatory system through which the blood flows in the body. Artery ...

Q: Carbon dioxide that accumulates in the blood can become toxic, inpart because it alters the blood pH...

A: The pH of blood is maintained at a slightly alkaline range around 7.4.  The ions in the blood act as...

Q: Discuss the types and functions of embryonicconnective tissue.

A: Introduction: The collection of cells present in close proximity and are responsible for a particula...

Q: Charles is a diabetic with Alzheimer's disease and often forgets whether he has injected insulin or ...

A: Hyperinsulinemia is the condition where the level of insulin in the blood is very high compared to t...

Q: What is the study of the structure of body parts and their relationships to one another

A: The suffix "logy" is appended to a root word to indicate the study of something. Example: Biology is...

Q: Describe some effects of aging on the eye and the ear.

A: The special senses present in an organism's body include sight, hearing, olfactory, touch, and balan...

Q: What components make up a tissue?

A: In multicellular organisms, the structural and functional unit of the body, that is, the cells aggre...

Q: Discuss the structure of the hyoid bone.

A: The hyoid bone is a 'U shaped' structure that is present in the the neck region to be specific the a...

Q: Prolactin: stimulates milk ejection (letdown) stimulates milk production both is part of a p...

A: Prolactin is a hormone that is made by the pituitary gland which is located at the bottom of the bra...

Q: Please drag and drop the label to the location where receptors for norepinephrine can be found. Left...

A: Norepinephrine, also called noradrenaline or noradrenalin, is a type of organic chemical in the cate...

Q: Compare the systemic and pulmonary circulations. Discuss thefunction of arteries and veins in each s...

A: The human physiology circulatory system can be described as the organ system consisting of a network...

Q: What are some similarities and differences between the carpalbones and the tarsal bones?

A: Introduction: Carpal bones are those small eight bones which make up our wrist. Carpal bones are: sc...

Q: What is this image and the different parts of it explained?

A: The study of tissues is called histology. It has huge application in diagnosis of disease by microsc...

Q: How does the structure of a bone make it strong yet lightweight?

A: Bones are one of the skeletal system components, and it serves several functions such as providing s...

Q: Select the letter of the choice that best completes the statement. This structure contains 15 to 20 ...

A: The respiratory system is one of the important systems in the body that helps in the exchange of car...

Q: 7 7. NAME ONE hormone secreted by this gland.

A: The ductless glands that secrete their chemical secretions called the hormones into the bloodstream ...

Q: Define alveoli?

A: The respiratory system is defined as the biological system consisting of a network of organs and tis...

Q: Name the bones contributing to the os coxae, and relate the pelvic girdle’s strength to its function...

A:   The os coxae are commonly known as the hip bone, made up of three major bones, the ilium, ischium,...

Q: Epilepsy is a neurological disorder that disrupts neural activities and causes recurrent seizures. A...

A: Visual pathway refers to the way in which the information from the eyes is passed to the brain to pr...

Q: Which hormone requires a carrier protein to travel in the plasma? epinephrine glucagon thyro...

A: A hormone is a chemical messanger which is involved in the communication between cells and tissues t...

Q: Label the following: Maxilla * Palatine bone * Pterygoid plates * Vomer * Greater palatine foramen *...

A: The skeleton of the face helps protect the brain as well as the sensory organs of smell, taste, sigh...

Q: Explain the various characteristics of a stimulus that sensory receptors provide to the CNS.

A: The sensory receptors are the nerves that are stimulated by a physical stimulus and they create a ne...

Q: Who is Joset Breuer ?

A: The study of the mind and behavior of an individual is referred to as psychology. Various techniques...

Q: Excitatory neurotransmitters open up some sodium ion channels in the postsynaptic dendrite.  This al...

A: Depolarization of membrane potential excites the neurons. Depolarization refers to the change in mem...

Q: What are basic methods used in management of plant pathogens? How these varies   from pathogen to pa...

A: A plant pathogen can be any of the organisms like fungi, bacteria, protists, nematodes, and viruses ...

Q: Maternal antibodies transmitted via the placenta: are an example of natural passive immunity   ar...

A: The maternal antibodies are antibodies that are transferred from the mother to the child through the...

Q: 7. If your instructor asked you to explain why the myocardium is thicker in the left ventricle than ...

A:  Heart is the major organ of the cardiovascular system. It is the mesodermally derived organ and it ...

Q: 3) A person has been fasting overnight and when this person wakes up, the person drinks a can of reg...

A: Glucose is a monosaccharide that is used as the major energy source in the body. The dietary carbohy...

Q: 2. Which of the following statements accurately compares systole and diastole? a. During systole, th...

A: The circulatory system comprises of heart and blood vessels. The blood which is devoid of oxygen and...

Q: If David is given prednisone, a synthetic glucocorticoid, for a prolonged period of time, he may:   ...

A: Prednisone is an oral glucocorticoid medication used to decrease inflammation in patients with asthm...

Q: List the natural defenses present in the eye.

A: The eyes are the ball-shaped, delicate organ located in the orbital sockets on either side of the fa...

Q: Why were the finishing times of endurance events rather slow at the 1968 Olympics, held in 2,200-met...

A: In aerobic respiration, oxygen is the terminal electron acceptor and thus oxygen is very essential f...

Q: Identify the factors that may affect the development of the baby inside the womb.

A: Fetal development is the process by which a fertilized egg develops into a fetus during pregnancy. T...

Q: Explain why activation of pancreatic enzymes is delayed until they reach the small intestine.

A: The pancreas is the small, leaf-shaped organ present below the stomach. Pancreatic cells release enz...

Q: Catecholamines are neurotransmitters that are produced in the adrenal glands and are released during...

A: Catecholamines are hormones that are produced by the adrenal glands which are present on the kidneys...

Q: How activated TC cells destroy target cells;the roles of interferons, perforin, granzymes,and tumor ...

A: The human body kills the pathogen or eliminates the foreign particles by an organized system called ...

Q: Why is it necessary for enzymes that digest protein to be secreted in an inactive form?

A: Enzymes are the biocatalysts which are used in reaction which catalyzes the reaction.  The enzymes r...

Q: What causes the striated appearance of skeletal muscle tissue?

A: Skeletal muscles are a type of muscle present in the body of the organism, which is voluntary in con...

Q: Why is the speed of nerve transmission faster along axons than across synapses? a. The movement o...

A: The transmission of a nerve impulse  from one end to the other end of a neuron. This occurs due to t...

Q: Cortisol and epinephrine act synergistically to decrease blood glucose. true or false

A: The phenomena of maintenance of constant internal conditions, despite varying external conditions is...

Q: dissection of this region Name the structure labeled A.

A: The specimen showed in the picture is a roundworm - Ascaris which is part of the phylum Nematoda. It...

Q: Identify all of the following that are functions of the kidney: (a) maintain blood pH; (b) regulate ...

A: The organ of the excretory system with nephron as its basic unit and function in the synthesis of ur...

Q: Choose the combination of answers that most accurately completes the statement. Which of the followi...

A: In all mammals, lymphoid tissues are present and are important for adaptive immunity. The formation ...

Q: The nerve impulses always travel in one direction from dendrites to axon terminals. What prevents an...

A: The neurons are the specialized cells which make up the nervous system. These cells have a special a...

Q: Define interferon, and explain its action.

A: A natural substance helps the body's immune system fight infection and other diseases, such as cance...

Q: a. What is the composition of the cerebrospinal fluid (CSF)? b. Where is the CSF formed? c. What are...

A: The brain and spinal cord form the central nervous system and involve in controlling all the activit...

Q: Contact dermatitis: is a type I hypersensitivity reaction   is cell mediated   is antibody m...

A: Contact dermatitis is characterized by reddened, inflamed skin caused by contact with certain kinds ...

Q: Explain the relationship between threshold potential and an action potential.

A: An action potential can be defined as the phenomenon when there occurs at excitation of the nerve or...