list in sequence the components of the elctrical conducting system of the human heart

Q: Define chemotaxis

A: In physiology, the term chemotaxis is used to describe the movement of an organism or cell (that is ...

Q: Prolactin does which of the following? a. stimulates breast milk secretion b. stimulates breast milk...

A: Milk secretion in biology is also called lactation. Mammary glands are responsible for the secretion...

Q: Describe the release of neurotransmitter in a chemical synapse.

A: Synapse is a junction between neurons or small gap at neuron end. It helps in signal transmission fr...

Q: In the bag with water, what is the name of the simulated serous membrane layer that is touching the ...

A: The human body is made up of a complex network of tissues and organs. The cells are the basic unit o...

Q: Mr. and Mrs. Smith, both 40 years of age, are healthy with no knowngenetic conditions. Their newborn...

A: Down syndrome is defined as the condition in which an individual contains an extra chromosome. In hu...

Q: How does Na+ reabsorption occur? Which two hormones are involved?

A: The reabsorption refers to the phenomenon in which nephrons functions in removing water and solutes ...

Q: In his famous paper, Mendel writes that he set out to“determine the number of different forms in whi...

A: Mendel performed his experiments on garden peas to study the inheritance of characters in plants. He...

Q: When cartilage is compressed, water issqueezed out of it, and when pressure istaken off, water flows...

A: Any movement that works on the body at a greater intensity than the general level of daily activity ...

Q: Match each term in Column I with its correct description in Column II. COLUMN I COLUMN II a. small a...

A: The human heart can be described as a blood-pumping organ made up of involuntary muscles called card...

Q: 3 4 2 A gymnast is able to maintain a steady posture while on a balance beam. In order to maintain b...

A: The brain is part of the nervous system and is considered as one of the most complex organs. It is d...

Q: Vision is a complex process. The human eye has many structures that contribute to vision. Which of t...

A: Eye is one of the important organs of the body and is an organ of vision. Human and animals consists...

Q: Relate the response of white blood cells to infections

A: Our body's immune system is a network of specialized organs, cells, proteins and chemicals that play...

Q: What are the major structure and functions of integumentary, muscular, skeletal, Circulatory, and Ne...

A: There are various systems in the body which perform different functions in the body. These systems a...

Q: How is vitamin B12 absorbed?

A: Vitamin B12 helps maintain the body’s nerve and blood cells healthy and enables the preparation of t...

Q: Describe mediated transport.

A: Mediated transport can be defined as the process in which molecules or ions are mediated across the ...

Q: Please match the brain function with the correct structure.

A: The brain the considered to be the most complex organ of the body. It is part of the central nervous...

Q: Check all parts of answer in boxes.  Answer last two parts with explanation. Options to choose from ...

A:    The heart is made up of cardiac muscle. It contains network of specialized cardiac muscle fibers ...

Q: describe the overall function of the nervous system; and

A: The nervous system represents a complex organ system in an organism that helps carry motor and senso...

Q: Medical evidence shows that a small change in the radius of an artery can indicate a large change in...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: Define myotome

A: The anatomical term myotome refers to the muscles served by a spinal nerve root. A myotome is, there...

Q: Many conditions affect the eyes. Hyperopia, myopia, and astigmatism are three conditions that can be...

A: Of the above options the correct option is "b".

Q: The layer of the epidermis indicated by the arrow is called the stratum Miller

A: Introduction: Skin is an example of a cutaneous membrane. It is a multi-layered membrane comprising ...

Q: List the bones of the pelvic girdle.

A: A bone is a rigid tissue that constitutes part of the vertebrate skeleton in animals. Bones protect ...

Q: Define endocytosis

A: Endocytosis is a cellular mechanism, by which a cell internalizes substances including proteins, flu...

Q: Where are the blood vessels in the body of a human

A: The tube-like muscular organs that function in the cardiovascular system to circulate blood between ...

Q: Cells found in the choroid plexuses that secrete cerebrospinalfluid area. astrocytes. d. oligodendro...

A: Choroid plexus referred to as the network of vessels of blood and cells present within the ventricle...

Q: Define ciliary ring

A: The choroid of the human eye can be described as a tissue layer found between the retina and the scl...

Q: What is areolar tissue? How can it be distinguished fromany other kind of connective tissue?

A: Areolar tissues are a type of loose connective tissue, and it is the most common type. Structurally,...

Q: What is the function of sustentacular cells in the production ofspermatozoa?

A: Spermatozoa or sperm cells are motile male gamete cells. They carry the genetic material of males an...

Q: What is the difference between gravitational equilibrium and rotational equilibrium? Which parts of ...

A: Ears are the vital pair of sense organs that are responsible for the hearing process and also for ma...

Q: What change occurs to the adult lymphatic system as we getolder?a. The body produces and transports ...

A: The lymphatic system is a collection of lymphatic vessels, lymph (a clear fluid), lymph nodes, and o...

Q: Define angiotensin I

A: Peptide hormones take part in various hormonal activities. They are secreted by the ductless glands ...

Q: Define blood island

A: The aggregation of splanchnic mesodermal cells in the embryo that gives rise to the blood and blood-...

Q: Define oligodendrocyte

A: The term oligodendrocyte refers to one of the types of neuroglia cells which are functionally simila...

Q: Why must cells divide and specialize?

A: The cells divide to form more new cells. This helps the organisms to grow. It increases the height a...

Q: Explain how prostaglandins are similar to hormones and how they are different.

A: The body acts and carries its functions in a synchronized manner; this is possible as the different ...

Q: The lack of which hormones would inhibit skeletal formation?

A: Hormones are chemical messengers which are reached the target organs by travelling in blood. The hor...

Q: Briefly describe respiration and circulation in crayfishes.

A: The freshwater crustaceans are the Crayfish. Their body is divides into head, thorax, and abdomen. T...

Q: Define dura mater

A: Dura mater is one of the three layers present in the meninges of the brain. Dura mater is the outerm...

Q: This type of connective tissue makes up the dermis (indicated by arrow) of the skin: irregular conne...

A: The dermis is the middle layer of the skin. The skin is the largest organ of the body and is mainly ...

Q: Define chemoreceptor reflex

A: Reflex activity is the response to the peripheral nervous stimulation that occurs without our consci...

Q: Describe the structure of the plasma membrane.

A: The plasma membrane, sometimes also known as the cell membrane, forms the outer protective layer of ...

Q: Define aorta

A: The term aorta is used to describe the largest artery (blood vessel) of the cardiovascular system wh...

Q: Lynn was knocked off her bicycle during a race. She damageda nerve in her antebrachial region, suffe...

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

Q: Choose the structure that applies to each statement. More than one structure may apply to a statemen...

A: Sense organs for taste are the taste buds. Taste buds are ovoid in shape. As the age increases, tast...

Q: Define cladistics

A: Cladistics can be defined as the type of classification system used in biology to categorize or clas...

Q: G D Identify the structures that are involved in sound transmission in the correct sequence. Select ...

A:   The human ear serves as an amazing transducer, converting sound energy to mechanical energy to a n...

Q: What are the five functions of the nasal cavity?

A: Above the bone that shapes the mouth's roof lies a nasal cavity and curves down at the back to meet ...

Q: The autonomic nervous system deals with aspects of our bodies we do not control-the involuntary sect...

A: The autonomous nervous system is part of our complex nervous system that deals with the functions th...

Q: What branches of the internal iliac artery are seen in femalesonly?

A: Blood is an important fluid in the body that helps in transporting oxygen and essential nutrients to...