What are the primary lymphoid organs and what makes them special?

Q: Absolute refractory periods in axons: Result from conformational changes in voltage gated K channels...

A: Neurons or nerve cells consist a main cell body called soma, a few short projections called dendrite...

Q: A nucleosome isa. a dark-staining body composed of RNA and proteins found in thenucleus.b. a protein...

A: A cell is the most basic unit of lids and consists of many cell organelles which are membrane bound ...

Q: The majority of the hydrolysis of disaccharides occurs by the actions of enzymes found in the: Saliv...

A: Digestion is a deterioration of large insoluble foods into small soluble molecules for effective abs...

Q: A significant structural feature in the microscopic studyof cardiac muscle cells is the presence of ...

A: Gap junctions permit the trade of ions, second messengers, and small metabolites between adjoining c...

Q: In garden pea plants, tall stem height (T) is dominant over short stem height (t), and green pod col...

A: A Dihybrid cross is a crossing of two plants having two pairs of contrasting characters. Each pair h...

Q: Is this correct

A: A motor neuron (or motoneuron or efferent neuron) is a neuron whose cell body is situated in the mot...

Q: An increase in end-diastolic volume always causes an increase in stroke volume in a normal heart bec...

A: The stroke volume (SV) is the amount of blood forced out or ejected by each of the lower compartment...

Q: when is the HPA axis most involved? short term stress or long term stress

A: Stress has long been suggested to be an important correlate of uncontrolled drinking and relapse. Al...

Q: Eplerenone is a drug that blocks aldosterone function. Based on your knowledge of aldosterone functi...

A: A group of cells or a “secreting organ” in the human or animal body responsible for secreting a part...

Q: What muscle provides flexion of the hip joint AND flexion of the knee joint? O psoas major O iliacus...

A: The muscular system comprises different muscle groups, each of which plays a vital role in the body'...

Q: What are retroperitoneal organs? List five examples

A: Peritoneum is a serous membrane which lines the walls of the abdominal cavity and lies on abdominal ...

Q: explain how a single type of sensory receptor, the hair cell,can respond to sound, gravity, or movem...

A: Sensory receptors are the receptors which takes signals from the sensory organs and then convert the...

Q: Explain the Adipose tissue metabolism ?

A: Adipocytes, as well as pre-adipocytes, macrophages, endothelial cells, fibroblasts, and leucocytes, ...

Q: Features of the ulna, including the trochlearand radial notches, coronoid and styloid processes, and...

A: The ulna is referred to as the long bone of the forearm and it is present medial and parallel to the...

Q: Define perforating canal

A: Bone is an inflexible body tissue consisting of cells implanted in an abundant hard inter cellular m...

Q: How many possible allele combinations can be formed in the gametes produced from parents with the ge...

A: Diploid organisms carry two copies of each chromosome, one set of chromosomes from maternal cells, a...

Q: Read each statement carefully and determine if it is true or false. Correct any false statement. T F...

A: The appendix is a blind-ended, finger-like tube that connects to the cecum and grows in the embryo. ...

Q: Compare and contrast the roles of each part of the male reproductive duct system.

A: The structures via which the sperms are passed from their site of synthesis to the external environm...

Q: name 3  types of meningitis

A: Meningitis is referred to as an inflammation of the meninges. The meninges are the three membranes o...

Q: Which of the following conditions increases hemoglobin's affinity for oxygen? Acidic pH O Cooler tem...

A: Blood is the chief circulatory fluid of the body which is comprised of plasma (which contributes 55%...

Q: Name the four types of body membranes, and identify alocation of each type

A: Membranes are thin layers of epithelial tissue usually bound to an underlying layer of connective ti...

Q: In which of the following structures is Na NOT returned to the blood? O Ascending loop of Henle O De...

A: In which of the following structures is Na not returned to the blood : DESCENDING LOOP OF HENLE 

Q: What does it mean to be Rh-positive?

A: The Rh factor is called as Rhesus factor which is a protein that is present on the surface of the re...

Q: Explain the electrical events that generate each portion of the electrocardiogram.  How do they rela...

A: Heart conduction is necessary for blood regulation. As these conduction activities are related to th...

Q: Active tissues generate carbon dioxide, which diffuses outof the tissue into the bloodstream, to be ...

A: Carbon dioxide is a significant side product that is a part of cellular respiration which includes t...

Q: Which of the following is NOT an antibody-mediated mechanism for removal of antigens? O Opsonization...

A: Antibodies are a type of immunoglobulin which is produced by B lymphocytes. Antibodies are of five t...

Q: Which category of bone is among the most numerous in the skeleton?a. long boneb. sesamoid bonec. sho...

A: Bones are rigid tissues that constitute the skeletal system. They are composed of osteocytes.

Q: Define synapse

A: Neuron or nerve cells are cells that act as messengers, they are able to undergo  electrical excitat...

Q: Gibbs High School St. Petersburg, Florida 5. The following enzyme needs a highly acidic environment....

A: The human body contains a number of systems that work together to maintain homeostasis. The digestiv...

Q: Define negative feedback and explain how it regulates blood levels of thevarious hormones.

A: An optimum concentration of hormones in the blood and extracellular fluid is important for maintaini...

Q: In a negative feedback control of respiration, a high level of carbon dioxide in the blood stimulate...

A: Homeostasis refers to a state of a good balance of physical and psychological factors that helps to ...

Q: Which of the following does NOT affect blood flow? Diameter change in arteries Tissue metabolic acti...

A: Blood flow is defined as the movement of blood to all parts of the body through veins, arteries, etc...

Q: Discuss the anatomy of bony fish(tilapia)

A: In anatomy, fish is referred to as cold-blooded animals having fins and backbone. Most fishes have s...

Q: Which of the following is true regarding LH signaling in men?

A: LH refers to luteinizing hormone. It is a glycoprotein hormone, which is produced and secreted by th...

Q: Define fatty acid

A: FATTY ACID : fatty acids are the building blocks of the fat in our bodies and in the food we wat . D...

Q: Which of the following is NOT an antibody-mediated mechanism for removal of antigens? O Opsonization...

A: The antigen and antibody work in concert. They play a major role in the immune system. The antigen p...

Q: Question 23 The symptom of chest tightness in asthma is MOST related to what phenomenon? Question 23...

A: Asthma is an inflammatory disease of the lungs and causes many symptoms like shortness of breath, co...

Q: magine three identical animal cells, each placed in one of the three beakers labelled A, B, C. Beake...

A: The cell membrane is selectively permeable which means it allows only certain molecules to freely pa...

Q: Identify the structure: Answers 1-1 1.

A: The structure shown in the above image has a slightly oblong shape with a clearly visible ridge on t...

Q: Where do preganglionic axons that form splanchnicnerves (except those to the adrenal gland) synapse ...

A: Postganglionic neurons are originated from the thoracic and lumbar region of the spinal cord and the...

Q: What is FALSE of hemoglobin and myoglobin? O Both are proteins that can bind oxygen O Myoglobin rele...

A: Hemoglobin is an iron-containing molecule found in red blood cells or erythrocytes and is responsibl...

Q: Question 37 True or false: Parts of the notochord becomes the vertebral column in chordates. O false...

A: Embryogenesis refers to the development and formation of the an embryo. It is characterized by the p...

Q: Describe spinal nerve formation

A: SPINAL NERVE : a spinal nerve is a mixed nerve , which carries motor , sensory and automatic signals...

Q: Platelets play an important role in hemostasis by: Initiating smooth muscle contraction O Inhibiting...

A: Blood is an important biological fluid that circulates within the blood vessels throughout the body....

Q: Why are estrogen levels low in individuals with severe anorexia and how does low estrogen levels lea...

A: Estrogen is the female sex hormone. Estrogen and progesterone along with follicular stimulating horm...

Q: Adipose tissue easily and frequently converts glucose to what?

A: Adipose tissues are normal fat-storing tissues that are helpful in the production of triglycerides f...

Q: short note of Pathophysiology of adrenal cortex?

A: In human anatomy, the adrenal cortex is the part of the adrenal glands. It produces hormones that he...

Q: What are the primary sex organs, or gonads, of male? What are their twomajor functions?

A: The male reproductive system consists of pair of the testis, a system of ducts (epididymis, ductus d...

Q: The majority of the hydrolysis of disaccharides occurs by the actions of enzymes found in the: Saliv...

A: Disaccharides - Carbohydrates made up of two monosaccharide units that are linked by glycosidic link...

Q: In the dark, photoreceptors: O Depolarize Decrease neurotransmitter release to bipolar cell Break do...

A: Human Eye: The eye is an integral and one of the most complex organs of sense that we humans are end...