One of the characteristics of life is responsiveness: the ability to detect and respond to environmental stimuli. Which of the following organ systems is responsible for this job? Nervous system Cardiovascular system Skeletal system Lymphatic system Respiratory system

Q: Which of the following is not a part of the CNS?a. microglial cellb. spinal cordc. neurolemmocyted. ...

A: The CNS is the body's production centre. Three layers of membranes, known as meninges, surround it. ...

Q: What occurs during endocytosis? What role do vesicles play?

A: The release of proteins such as carbohydrates, steroid hormones and antibodies from various cells, t...

Q: A term that means nearer the attached end of a limb isa. distal. c. medial. e. superficial.b. latera...

A: Anatomical terms are helpful in precisely identifying and describing the location and direction or s...

Q: What parts of the eye provide refracting surfaces?

A: The refractive surface of the eye is the cornea and the lens. 

Q: Genetic Crosses that Involve 2 Traits In rabbits, black hair is dominant to brown hair. Also in rabb...

A: Given: B =  dominant allele = black hair b = recessive allele = brown hair E = dominant allele = lon...

Q: what statements are false about Balance a. Static balance evaluates the position of the head relativ...

A: Balance consists of two types of equilibrium that is static equilibrium and dynamic equilibrium.  St...

Q: Select the best answer or answers from the choices given: Lymph nodes are densely clustered in all o...

A: Lymph nodes are the small densely clustered structure through which lymph passed. It consists of lym...

Q: Unencapsulated, terminal branches of dendrites are calleda. lamellated corpuscles.b. free nerve endi...

A: The dendrites are the specific projections of the neuron that receives information from other neuron...

Q: Explain how tripeptides, dipeptides, and amino acids enterintestinal epithelial cells.

A: Digestion of proteins begins in the stomach. The peptide bonds are hydrolyzed. Pepsinogen is secrete...

Q: How do DNA and RNA differ?

A: DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) are nucleic acids that serve in storage and e...

Q: Summarize the major functions of skeletal muscles?.

A: Skeletal muscle is a voluntary muscle, which means that we can regulate its function. It's connected...

Q: What is the building block of carbohydrates? What areisomers?

A: The building blocks of carbohydrates defined as the biochemistry of living organisms. Therefore it c...

Q: A researcher measured the rate of ADH excretion as a function of exercise. 6. Plasma ADH Concentrati...

A:     According to the graph, as the intensity pf exercise increase, the secretion of ADH increase and...

Q: what happens if only the dorsal white matter is damaged on only ONE side of the spinal cord, includi...

A: The white matter in the spinal cord is also referred to as a superficial tissue because it is locate...

Q: question 4

A: 4. Internal elastic lamina 5. Tunica media . 

Q: what statements are true about the Accessory Structures of the Eye? 1. The eyebrows prevent perspira...

A: 1.Eyebrows are there to help keep our eyes clean and clear. They move wetness from sweat and rain aw...

Q: What hormone primarily regulates the absorptive state,and what are the major effects of this hormone...

A: The absorptive state is referred to as the period at which the gastrointestinal tract is full, and t...

Q: Which vessel is highlighted? gonadal artery gonadal vein uterine artery iliolumbar artery

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

Q: Releasing hormones come from which one of the following? a. thyroid gland b. anterior pituitary glan...

A: Hormones are generated by endocrine glands, containing the hypothalamus, pituitary gland, adrenal gl...

Q: E. 29 Which of the following statements about vitamin B12 is false? A. It is watcr soluble B. Lack o...

A: Vitamin B12 is also known as cobalamin. It exists in many forms but mainly contains cobalt, hence th...

Q: Which statement regarding the thymus is true? (a) It is situated in the left upper angle of the abdo...

A: The thymus gland between the lungs, is in the chest and behind the breastbone. It is just above the ...

Q: Explain why the resting membrane potential is not equal to the K1equilibrium potential?

A: The unequal distribution of positive and negative charge across the cell membrane results in membran...

Q: Describe the structure of compact bone. What is anosteon? Name three types of lamellae found in comp...

A: Connective tissue It is the largely distributed tissue in the body. It protects and supports the bod...

Q: Explain T cell tolerance. Include in your answer positive and negative selection as well as what per...

A: Immune tolerance is where there is an unresponsiveness response of the immune system to any foreign ...

Q: Zoe drank too much alcohol one night and suffered from a headache and nausea the next morning. What ...

A: Drinking alchohol results in loss of self control of the individual and memory gets impaired.  Antid...

Q: Write the name of the structure described. 1. Tubular airways that begin the respiratory zone 2. Con...

A: The respiratory system is the network of organs and tissues that help you breathe. It includes your ...

Q: Can someone explain why the arteries act as a "pressure reservoir" and why veins act as a "blood res...

A: Arteries are the blood vessels which are rich in the blood oxygen level and carry blood from the hea...

Q: What are start and stop codons? How is a start codondifferent from a promoter?

A: DNA translation is a nuclear process that translates the messenger RNA molecule (mRNA) into the vari...

Q: question 9

A: There are two renal veins, left and a right which branch off from the inferior vena cava and drain d...

Q: Diagram an antibody and list the functions for each section of the antibody. Which part of an antibo...

A: Antibodies are proteins also called immunoglobulins that is related to the immune response. Each ant...

Q: Which muscles open and close the openings to theauditory tube and to the larynx?

A: The auditory tube or the Eustachian tube joins the nasopharynx to the middle ear. The eustachian tub...

Q: An athlete is sweating profusely but does not rehydrate. The changing conditions are detected by osm...

A: The volume of fluid or blood circulating the body through arteries, veins, capillaries, and heart is...

Q: What is the role of the thalamus in sensory function?

A: Thalamus referred to as the structure of the diencephalon that plays essential roles in human physio...

Q: What do the cavities of the neural tube become in theadult brain?

A: The basic life cycle consists of various steps: fertilization, cleavage, gastrulation, and germ laye...

Q: If two solutions separated by a semi-permeable membrane are isotonic, can you conclude that they are...

A:     Tonicity of a solution is the measure of the relative difference of the solute concentration or ...

Q: Homeostasis involves maintaining Select one: a. body conditions outside the normal range b. a rela...

A: The cells are basic structural and functional units of life. The human body contains many types of c...

Q: Select the statements that correctly describe positive feedback pathways. 1. A sensor/receptor is re...

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

Q: question 11

A: Aorta refers to the largest blood vessel that begins at the top of the left ventricle. The blood fro...

Q: Explain Diaphragm and inspiratory intercostals stop contracting?

A: The cells making up the human body require sufficient amounts of oxygen to survive and perform their...

Q: A tumour on the parathyroid glands will result in excessive production of parathyroid hormone (PTH) ...

A: Hyperthyroidism is caused by excessive production of parathyroid hormone (PTH) which causes higher t...

Q: Classify ther following enzyme ? 5-alpha reductase

A: An enzyme is known as a biological catalyst that enhances the rate of a chemical reaction without it...

Q: Which of the following is an example of positive feedback? Select one: a. Insulin stimulates cells...

A: The endocrine system consists of specialized glands that produce chemical messengers called hormones...

Q: . Before a muscle fiber can contract, ATPmust bind toa. a Z disc.b. the myosin head.c. tropomyosin.d...

A: Muscle contraction is the process of increase in the tension of muscle fibers or decrease in the len...

Q: Define amniotes

A: Animals are eukaryotic multicellular organism that constitute kingdom Animalia. They are mainly divi...

Q: Where is the trigone located? How does it assist urinarybladder function?

A: The human renal system, also called the urinary system, is responsible for removal of wastes, toxic ...

Q: Define androgen

A: The hormones responsible for reproductive activity and traits in male is known as androgens. The key...

Q: Name four cellular organelles that are membrane bound. 1. _______________________ 2. _______________...

A: Cell organelles are called cellular modules. Both membrane and non-membrane attached organelles, fou...

Q: What is the main characteristic that distinguishesconnective tissue from other tissues?

A: Tissues are divided into four types: Connective tissue, Muscle tissue, Nervous tissue, and Epithelia...

Q: Describe the structure and functions of the dermis.

A: The skin is the largest organ in the human body that forms a barrier by covering the body. It is the...

Q: #4

A: An iron-containing metalloprotein that is found in the red blood cell's cytoplasm is called Hemoglob...