Define antigen and describe the two groups of antigens.

Q: The flaplike lateral wall of each atrium is called the ___________ .

A: The heart is a four-chambered vital organ of the human body. It has 2 atriums and 2 ventricles and d...

Q: 2 3.

A: Arteriogram is an imaging technique that allows us to see inside the arteries by using X-rays and a ...

Q: List 5 physical findings, from clothing or victim (external and internal), that may provide an indic...

A: The range of gunshot wounds can be classified into three main categories- -contact -Intermediate-ran...

Q: The indicated meninx is the Copyright Nielsen & Miller

A: The human brain consists of 3 layers of coverings known as the meninges. These provide a supportive ...

Q: Explain one mechanism of antibody action against viruses

A: Antibodies are an essential part of adaptive immunity. Adaptive immunity or acquired immunity is spe...

Q: n the context of our thyroid hormone experiment, "normalizing data" referred to the process of: 1. m...

A: Normalization of data is a way of presenting clean data by removing any error or constant values fro...

Q: Groups of segments that work to perform a set of functions, are partially or completely fused togeth...

A: 1) Metameres are the group of segments that work to perform a set of functions. These metamers can b...

Q: 9 Label the following veins on Figures 12.36 and 12.37. Figure 12.36 O Brachiocephalic vein O Cephal...

A: The circulatory system's major organ, the heart, pumps blood into vessels. The venous system's vesse...

Q: For the skeletal muscle, hydrolyzation of ATP: Group of answer choices At the myosin head gives rise...

A: The contractile proteins that are involved in muscle contraction are myosin and actin. The two regul...

Q: List the Regional Differences in Capillary Pressure?

A: We know that Capillaries are the microscopic network of blood vessels connecting the arterioles with...

Q: Name and describe three common liver disease. ______________________________

A: The liver is the largest solid organ situated inside the body. It helps in the digestion of food, st...

Q: What are the primary and secondary antibody responses?Why doesn’t the primary response prevent illne...

A: Introduction: The immune system is the defensive system of the body. It protects the body from forei...

Q: __________ are proteins that __________ intermediate filaments to the sarcolemma at regular interval...

A: In smooth muscle, actin fibers are joined to the thick bodies on the plasma membrane and inside the ...

Q: What are the causes of colon cancer explaining each of them in a substantial way?

A: The intestine, or large intestine, is the body's main source of water and salt for solid waste. The ...

Q: List the factors that shift the Oxyhemoglobin Dissociation Curve?

A: When haemoglobin join together with oxygen , it is called Oxyhaemoglobin. Oxyhaemoglobin dissociatio...

Q: Describe and explain the sliding filament model of contraction. Be sure to include in your response ...

A: Each segment of a fibril between two adjacent Z bands is called a sarcomere. It is an uncontracted s...

Q: 11 Which of the following is not a factor that determines blood pressure a. Cardiac output b. Blood ...

A: The human heart is an organ that pumps blood through the circulatory system's veins, giving oxygen a...

Q: Which of the following is TRUE of immunizations?  They are a safe form of a microorganism, viral pa...

A: The immune cells are responsible for developing immunity against specific pathogen by identifying th...

Q: Where does the auditory (Eustachian) tube lead?

A: We know that the Auditory tube is the link between the pharynx and the middle ear. This tube helps i...

Q: What is the Central Nervous System composed of?

A: Nervous system is composed of highly specialized cells , referred to as neurons . These are long cel...

Q: 10. What are surfactants and how do surfactants do they decrease the work of breathing (reference La...

A: The transferring air out and in the lungs to permit gaseous exchange with the internal environment, ...

Q: The greatest range of mobility of any joint in the body is found in the a. knee joint. b. hip joint....

A: Joints are defined as the strong connections that join bones, teeth and cartilage of the body to one...

Q: Label the venous diagrams depicted in Figure 12.3A-B with Exercise 12-3 in this unit for reference. ...

A: The blood vessels in the humans carrying blood towards the heart are the veins. Their function is ca...

Q: Rearrange these structures in the order in which blood passes through them; assume that the blood is...

A: Mammalian Heart  acts as double pump meaning oxygenated and deoxygenated blood does not mix together...

Q: Describe the relationship between sodium and osmotic balance.

A: Osmotic balance can be defined as the reign of electrolyte and water balance within the body and reg...

Q: What is the motor branch that travels with Cranial Nerve (CN) XII?

A: The cranial nerves come out of the brain and consist of twelve pairs. Each nerve is identified by a ...

Q: What is brain stimulation ?

A: Deep brain stimulation (DBS) is a procedure that includes placing electrodes in specific parts of th...

Q: How would exposure to a sarin or sarin-like chemical affect calcium levels inside the sarcoplasmic r...

A: The sarcoplasmic reticulum (SR), which is comparable to the smooth endoplasmic reticulum in other ce...

Q: Skeletal muscle will be released in its contracted (rigor) state when: Group of answer choices ATP i...

A: Please note that the correct statement for the question should be "Skeletal muscle will be released ...

Q: Muscle tone is due to ______ activating groups of motor units in response to input from ______ in mu...

A: A muscle is a collection of muscle tissues that work together to generate force. A muscle is made up...

Q: 22. Which of the following statements about that ionic makeup of a neuron at rest is true? a. sodiu...

A: Neuron is the structural and functional unit of nervous system and helps in coordination. 

Q: 8 Explain why a person who is blood type AB+ can receive blood fr individuals who are also blood typ...

A: The blood ABO along with the RH can create multiple blood groups based on the antigens and the antib...

Q: 4. Of the following neuroglia, which two are found in the PNS? "Astrocytes, oligodendrocytes, microg...

A: The cells of nervous system other than neurons which are incapable of generating and transmitting ne...

Q: In forming the lung-blood barrier, all of the following are involved EXCEPT: the basal lamina O Type...

A: The lung blood barrier is present at the gas exchanging region of the lungs. Its main function is to...

Q: 19. The movement off the tack followed the pathway from my brain to the motor functions in my leg. E...

A: Central nervous system consists of brain and spinal cord which are the integrating Centre that is th...

Q: Describe the changes in alveolar pressure that are responsible for the movement of air into and out ...

A: The muscles which are responsible for expansion and compression of our chest belong to two categorie...

Q: Contractions in _______ fibers are asynchronous while contractions in is _______ fibers are synchron...

A: A muscle is a collection of muscle tissues that work together to generate force. A muscle is made up...

Q: 30. Which of the following about acetylcholinesterase is accurate? a. It breaks down acetylcholine ...

A: The contraction of muscles is initiated by the release of neurotransmitter from the motor neuron tha...

Q: Another name for the digestive tract is the (2 words) ____________________ Describe and list the maj...

A: The digestive system is comprised of the oropharynx, esophagus, stomach, small intestine(duodenum, j...

Q: Differentiate the different types of mammalian digestive system. Provide fully labelled illustration...

A: Digestive systems of the animal bodies are important to study in order to determine the right kind o...

Q: Compare how long active immunity and passive immunity last. Explain the difference between the two t...

A: Immunity refers to state of body due to which an individual have capability to fight against disease...

Q: answer the following The kidneys bladder and ureters make up the??

A: The urinary system is also called the renal system or the urinary tract. It performs the function of...

Q: Hemoregulatory response of the body when the temperature drops or elevates

A: Our internal body temperature is regulated by a part of our brain called the hypothalamus. It mainta...

Q: erythroblastosis fetalis

A: Erythroblastosis fetalis is a disease affecting infants who are Rh positive and born to Rh negative ...

Q: ses.  Include t

A: The site where the electric nerve impulse transmission can happens between two neurons are called Sy...

Q: At low doses, Aspirin __________.  Group of answer choices inhibits the formation of thromboxane A2,...

A: clot formation is the porcess by which blood prevents the loss of itself after injuries to blood cap...

Q: __________ are proteins that __________ intermediate filaments to the sarcolemma at regular interval...

A: A muscle is a collection of muscle tissues that work together to generate force. A muscle is made up...

Q: n, and organi

A: The central organ of human nervous system is brain. It controls emotion, memory, vision, anger, temp...

Q: Hormones can be actively working and affecting change in the body... indefinitely O briefly for a fe...

A: The hormones are chemical substances which regulate the physiological process of human body. The hor...

Q: What effect does calcitonin have on osteoclasts, osteoblasts, and blood calcium levels? What stimulu...

A: Introduction: The process of formation of a new bone is referred to as ossification.  Ossification i...