The negative membrane potential in all cells of the organism depends on

Q: Define ciliary ring

A: The ciliary ring can be defined as the ring-shaped tissue present in the eyes of an organism. This t...

Q: Summarize the effects of aging on the skeletal system.

A: Aging in humans can be defined as the gradual changes occurring in an individual's body system, whic...

Q: The onset of ventricular diastole is associated with

A: Each ventricular diastole or the ventricular filling flow has an early (E ) diastolic component caus...

Q: Some photographers develop sensitivity to certain film chemicals leading to swvere rashes on hands s...

A: The immune system comprises a special network of cells. It serves to protect the body against invadi...

Q: True or False? Humans have the largest genome of all organisms for which genomes have been sequenced...

A: The collection of all the genetic material of an individual is known as the genome. The human genome...

Q: A deficiency of sodium ions in the blood iscalled-------------------

A: Sodium ions are present in the blood and the body fluids surrounding the cells. This ion helps in ma...

Q: What effect do increased CO2 levels or decreased pHhave on ventilation? How does this change in brea...

A: The respiratory system is a biological system responsible for gas exchange in our body. It consists ...

Q: Decreasing blood pressure to the Aortic Arch & Carotid Sinuses should reflexly: decrease heart rate ...

A: Heart pumps blood to the systemic organs. Deoxygenated blood travels via superior and inferior vena ...

Q: Write the name of the sarcomere structure defined. A structure may be used more than once, and a def...

A: A sarcomere is the functional unit of striated muscle. This means it is the most fundamental unit th...

Q: If parents wish to know the sex of their unborn baby, theyusually have to wait until weeks 18–22 of ...

A: The reproductive system of a living being is moreover known as the genital system which is the biolo...

Q: Which of these is a function of blood?a. clot formationb. protection against foreign substancesc. ma...

A: All of these are correct

Q: Predict how the functions of the human hand would be different if the carpometacarpal joint of the t...

A: A joint is the union of two bones. The synovial joints are those joints which contain a fibrous join...

Q: Contraception Station Number Mechanism (H, B or O)

A: Contraception can be defined as a method that can be used for the prevention of pregnancy. The vario...

Q: ​a) Explain the role of cortisol in maintaining blood glucose level?

A: Hormones are the chemical molecules secreted by the glands of the endocrine system that serve as the...

Q: List 2 types of receptors that have an affect on the respiratory centres (and what that affect would...

A: Receptors are the proteins which are embedded on the cell membrane of both prokaryotes and eukaryoti...

Q: Which gets weaker over time? O' both action and graded potential O graded potential O action potenti...

A: GRADED POTENTIAL gets weaker over time .  Graded potentials lose their strength as they move through...

Q: Explain the design and how the two types of pumps used in the cardiopulmonary bypass machine work.

A: In the Cardiopulmonary bypass technique, this machine starts performing the functions of the heart a...

Q: Why arterial expansion and recoil during thecardiac cycle reduce pulse pressure and easethe strain o...

A: The blood vessels of the cardiovascular system are the heart, capillaries, veins and arteries.  The ...

Q: The process of maintaining a relatively stable internal environment is called

A: The endocrine system is made up of a network of endocrine glands and chemical messengers produced by...

Q: Explain the role of the cytoskeleton in cellular motion.?

A: The eukaryotic cells cytoskeleton is  prepared of filamentous proteins ,furnishes its cytoplasmic co...

Q: Contrast fetal hemoglobin with maternal hemoglobin.

A: Hemoglobin referred to as the protein present in the blood and it is principally responsible for the...

Q: Why does smoking increase the risk of heart disease? Provide two reasons based on autonomic function...

A: Smoking is an illness that has affected many lives, but still people are not able to quit and make a...

Q: A tissue contains irregularly shaped cells with many projections, including some several centimeters...

A: The building unit of every form of life is a cell. The cells having functional and structural simila...

Q: Select the letter of the choice that best completes the statement. The term “heart attack” is anothe...

A: Introduction: The cardiovascular system (CVS) comprises heart and blood vessels. These blood vessels...

Q: What will happen to an organism once its cells failed to undergo the process of mitosis and meiosis?

A: The cell cycle is the series of ordered events causing a cell to grow and divide producing daughter ...

Q: New borns(under 1 year)who contracted dengue fever have a high chance to dy from it if their mothers...

A: A hereditary disease is a kind of disease that gets transmitted via the mother to the child genetica...

Q: How do innate immunity and adaptive immunity work together to defeat a cold virus?

A: The immune system of the body is responsible for fighting the infections in the body and providing t...

Q: Define depolarization phase

A: All cells have an electrical potential difference or membrane potential difference across the plasma...

Q: Give the name of the structure that the phrase describes. The structure that is formed after the mor...

A: Morula is a 16 cells stage in which cells are contained in a solid ball known as zona pellucida. In ...

Q: Most of the water in the human body is found in: Select one: the interstitial fluid compartment. ...

A: Most of the water in the human body is found in THE INTRACELLULAR FLUID COMPARTMENT  The largest com...

Q: What is the role of the glycosaminoglycan in the cushioning provided by cartilage?

A: Glycosaminoglycans forming the proteoglycans are the most abundant heteropolysaccharides in the body...

Q: In a negative feedback loop, the effector moves the system in the   direction as the stimulus.

A: Homeostasis is the maintenance of constant internal conditions in the body despite changes in the ou...

Q: Baroreceptors in the aortic arch normally fire:

A: Baroreceptors- sensors located in carotid sinus and in aortic arch. used in sensing blood pressure a...

Q: Write a note on homeostasis, with at least 2 fully explained examples?

A: A body system is a collection of parts that works together to serve a common purpose – growth, repro...

Q: A decubitus ulcer is a chronic ulcer that appears in pressure areasof skin overlying a bony prominen...

A: Skin is referred to as the largest organ of the body that is principally responsible for protecting ...

Q: Select the best answer or answers from the choices given: The normal diploid number of human chromos...

A: Chromosomes can be defined as the thread-like structures present in the cell's nucleus and carry the...

Q: List the major hormone levels that change during pregnancy and their major functions during pregnanc...

A: The hormones that change during the pregnancy estrogen and progesterone. The estrogen level at the t...

Q: Which of the following describes the fluid mosaic model of the plasma membrane structure? a. The lip...

A: The plasma membrane is additionally called the cell membrane which is the layer found in all cells t...

Q: ILLUSTRATE the following and give their function: A. Cross Section of a Nerve B. Cross Section of ...

A: The organ system which coordinates the behavior of a person and transports the signals between the d...

Q: How would this action change the volume of the chest and lungs? Why does it cause the person to expe...

A: Heimlich maneuver is also known as abdominal thurst. This procedure is used when someone gets obstru...

Q: What name is given to a thick tract linking the brainstem andcerebellum?

A: The nervous system is a complex system of nerves along with the brain and the spinal cord. It is a h...

Q: Why are sinusoids important during embryonic development?

A: The growth and development of human beings can be divided into two distinct phases: prenatal growth ...

Q: Identify the two types of supporting connective tissue.

A: Tissues are the group of cells that are similar to each other in terms of function and structure. Th...

Q: Cocaine use causes vasoconstriction. Is this likely to increase or decrease blood pressure, and why?

A: Cocaine, commonly known as coke is a tropane alkaloid that is synthesized using the coca leaves. It ...

Q: name and describe the four major categories of joints

A: Joint referred to as the site where two bones meet each other. They are essential for carrying out t...

Q: Which white blood cells are the most active phagocytes?

A: White blood cells are the body's immune cells that are responsible to help the body fight against pa...

Q: Write a note on homeostasis, with at least 2 fully explained examples?

A: The sum total of all chemical reactions occurring in a body is known as metabolism. To keep the body...

Q: Athletes often used clinical refractometers to measure urinary SG. After a marathon run in summer an...

A: The specific gravity of the substance can be defined as the ratio of the density of a particular obj...

Q: Explain the function of an epiphyseal plate.

A: The human body's epiphyseal plate is also known as the growth plate, and separates diaphysis from th...

Q: Does the placenta allow fetal blood cells to mix with the maternal blood?

A: Placenta  is  a connecting organ between mother and fetus. It is found in females of  Eutheria which...