Describe the two types of immune responses (cell mediated, humoral).

Q: The cell bodies of the postganglionic neurons of the sympathetic division are located in thea. sympa...

A: The cell bodies of the postganglionic neurons are in autonomic ganglia placed peripherally.  Pregang...

Q: where does filtration reabsorption and secretion occur along the nephron

A: We know that the structural unit of the kidney is nephron. Nearly one million such units are found i...

Q: Compare and contrast the secretions of the stomach.

A: The responsibility of the digestion process lies on the shoulders of the digestive system. The key p...

Q: Which valves are present on the right side of the heart? Which valves are present on the left side o...

A:  Valves that present on the right side of the heart - The tricuspid valve is located between the rig...

Q: From outer-most to inner-most, what is the order of the three bones of the middle ear? In no more th...

A: The ear serves as the organ of hearing and equilibrium that detects and analyzes sound by transducti...

Q: Describe and give an example of a fibrous joint, a cartilaginous joint, and a synovial joint.

A: Where two or more bones meet, that region is named Joints. Most joints are movable, permitting the b...

Q: Which side of the heart directs blood to the lungs? A.left B. right C. both right and left

A: The heart is a muscular organ located slightly toward the left side of the breastbone. It is the mai...

Q: What is the relationship between peripheral resistance and blood pressure? between blood viscosity a...

A: Blood pressure can be defined as the force through which blood circulates in the blood vessels. When...

Q: Establishment of emotional states and related behavioral drives are functions of the (a) limbic syst...

A: The brain is the one organ that commands the rest of the organs in our body. It processes the inform...

Q: Select the letter of the choice that best completes the statement. The hormone that prepares us to f...

A: Hormones are part of the endocrine system. They are mainly secreted by the endocrine gland and trave...

Q: What are some of the subdisciplines of gross anatomy?

A: Gross (Macroscopic) anatomy: Observing structures without the use of a microscope. Histology (Micros...

Q: Define opposition

A: The opposition is referred to as the thumb movement that is responsible for bringing down the thumb ...

Q: Define cartilage

A: Connective tissue connects, separates, and assists all other kinds of tissues in the body; it compri...

Q: The tracts innervate the head muscles.a. corticospinal d. corticobulbarb. rubrospinal e. dorsal-colu...

A: The head region comprises various muscles that function to regulate facial expression, mastication, ...

Q: Why are both skeletal muscle cells and axons also called fibers?

A: Organs present in various systems of our body work together as a team. Various organ systems are eve...

Q: 1. These cells can release factors that can induce programmed death of a target cell, release cytoki...

A: Introduction: Immunity is referred to as the host's resistance against any foreign antigen, includin...

Q: Botulism toxin inhibits the release of acetylcholine at the neuromuscular junctions. What effect doe...

A: Neurons are the basic structural and functional unit of the nervous system. Neurons have three princ...

Q: Discuss the effect of exercise on bone mass.

A: Exercise has many benefits in body. Regular exercise helps in improving the cardiovascular functions...

Q: How do primary bone and secondary bone differ?

A: A specialized type of connective tissues are bones. There are three major types of bone cells- 1. os...

Q: B and T lymphocytes are part of the adaptive defense system because th     adapt to their surro...

A: Immunity is  the ability of an organism to resist disease causing microorganisms or pathogens. There...

Q: Many caffeinated beverages such as coffee, tea, and cola drinks have diuretic effects on the body. W...

A: Caffeine is a stimulant of the central nervous system that is found in tea, coffee, and cocoa. It is...

Q: Provide the anatomical term that correctly names each of the following body regions: (a) arm, (b) th...

A: Anatomical terms are logical terms utilized by anatomists, zoologists and experts—exceptional phrasi...

Q: What effect does a bound hormone have on theconcentration of a free hormone in the blood?

A: The bound hormone is a hormone that remains attached to a specific protein molecule, whereas the fre...

Q: Is the retinal area in Figure the macula lutea, fovea centralis, or optic disc? Explain your choice.

A: The retina can be described as a sensory layer of nerve cells lining the eyeball's back surface. The...

Q: Explain why it is important for cardiac muscle to havelonger-lasting contractions than skeletal musc...

A: The muscular system consists of three types of muscle-smooth muscle, cardiac muscle and skeletal mus...

Q: Define polyspermy

A: Polyspermy can be defined as the condition in which an egg is fertilized by more than one sperm. Thi...

Q: Which of the following is not a function of the integument?a. acts as a physical barrierb. stores ca...

A: The body of a human is a physical substance of the human organism. It is composed of extracellular m...

Q: Compare the functions of free ribosomes and ribosomesattached to the endoplasmic reticulum

A: A ribosome is a minor organelle entangled in preparing protein, which is called protein synthesis. T...

Q: What is the role of a reaction center during photosynthesis?

A: The reaction centers are the protein complexes that are found in the photosystems I and II of plants...

Q: Growth hormone therapy has been widely used to help people with dwarfism and has helped certain indi...

A: Growth hormone therapy is defined as a type of common treatment where it stimulates the pituitary gl...

Q: When blood clot breaks off and travels within the blood it is called a(n) ________.   A. embolus ...

A: The blood clot is the formation of a jelly-like substance from the blood. It is the mass of fibrin a...

Q: List the organs of the lymphatic system, and explain theirfunctions.

A: A lymphatic system is a true organ system that consists of a network of vessels which are able to pe...

Q: Please help, i need this to study, i dont get it, make the answer clear

A: Sarcoplasmic reticulum is a cell organelle in muscle cells that is equivalent to that of the endopla...

Q: Which part of the brain contains cardiac center ?

A: The cardiac muscle is the central organ of the circulatory system comprising two upper (right and le...

Q: Define patellar

A: Introduction: Human anatomy is the science which deals with the structure of the human body. The hum...

Q: The ___________ receive blood from the body via veins. A. both atria and ventricles B. atria ...

A: The cardiac muscle is the central organ of the circulatory system comprising of the right atrium, le...

Q: Erythropoietin (EPO): A. targets osteoblasts B. both decreases erythropoiesis and targets osteo...

A: Erythropoietin (EPO), also known as erythropoietin, haematopoietin, or haemopoietin, is a glycoprote...

Q: Bone remodeling cycle worksheet answer

A: In the vertebrates, the rigid tissue that comprises a part of the skeletal system is referred to as ...

Q: Which of these secretions does not decrease with aging of the endocrine system?a. GH secretion c. th...

A: The endocrine system is a system of glands that regulate the physiological processes by synthesizing...

Q: Hyposecretion of hGH during childhood results in a condition called dwarfism. Children affected with...

A: Growth hormone or GH is also referred to as somatotropin is an hormone produced and secreted by soma...

Q: Explain the Junctions Between Epithelial Cells ?

A: Epithelial cells or tissue is one of the four major types of tissues in the body and can be  found t...

Q: The epicardium is also known at the: A. parietal pericardium B. pericardial sac C. visceral p...

A: The human circulatory system is one of the major eleven organ systems in the human body and is respo...

Q: How surrounding the tissues and underlying structures are affected by each class of burn.

A: Burns are categorized into physical burns, thermal burns, electrical burns, radiation burns, laser b...

Q: 33) Yo-yo dieting with extreme fluctuations in weight is not recommended because the pattern tends t...

A: Dieting is done in a systematic manner to either increase or decrease body weight. It is commonly do...

Q: Are those the correct answers?

A: Cranium is one of the two units that fuse to form a skull that provides a housing and protector unit...

Q: Identify the components of a hair and a hair follicle.

A: Hair is a flexible strand of dead keratinized epithelial cells and is made up of two distinct parts ...

Q: Select the letter of the choice that best completes the statement. The device used to measure the el...

A: ECG

Q: The myocardium of the ____________ ventricle is normally thickest. left right

A: The myocardium refers to the thickest muscle layer that forms the middle layer of the heart. It comp...

Q: Select the best answer or answers from the choices given: The nutrient blood supply of the lungs is ...

A: The lungs are a pair of sponge-like organs found inside the chest and are engaged with the exchange ...

Q: Explain the Anatomy of a lymph node?

A: In human anatomy, the lymphatic system can be described as the specialized network of tissues and or...