Why does the cardiac muscle have a longer absolute refractory period compared to skeletal muscle?

Q: Describe the cerebral cortex.

A: Two cortical hemispheres comprise the cerebrum, the outermost membrane called the cortex (grey matte...

Q: question 16

A: The blood vessels comprising the human circulatory system are of three types: arteries, veins, and c...

Q: Describe how vitamin A is metabolized (where primarily digested, absorbed, and transported) within t...

A:   Vitamins are micro-nutrients required for our body in minimal amounts to perform necessary functio...

Q: #7

A: As there are two questions give in one, solution to the first question (i.e., 7) only is provided he...

Q: In connective tissue, which structure resists stretch, like a rope?

A: The skin is considered as one of the largest organs in the body. It helps in various function of the...

Q: Select the letter of the choice that best completes the statement. A decrease in the production of i...

A: A peptide hormone that is a dimer and is synthesized by the pancreas' beta cells is called insulin. ...

Q: States the histological similarities and differences between the cross section of smooth and that of...

A: Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of actin and m...

Q: Which leukocyte is not a granulocyte? A. monocyte B. basophil C. eosinophil D. neutrophil

A: Leukocytes, also called as White Blood Cells(WBCs) play a major role in our immune system by protect...

Q: List the energy sources used to synthesize ATP for musclecontraction

A: ATP stands for adenosine triphosphate, is a principal source of energy in the body responsible for c...

Q: Describe the size, shape, location, and orientation of the heart in the thorax.

A: The heart is the organ that helps in the circulation of blood (a special body fluid) throughout the ...

Q: Can you help with number 1 and 2   This is not and will not be graded

A: Acetylcholine released by the parasympathetic nervous system is responsible for the reduced heart ra...

Q: Describe the mechanisms by which the kidneys regulateblood volume and erythrocyte production.

A: The kidney is a pair of excretory organs, a bean-shaped structure located in the abdomen, one on eit...

Q: Place a single word into each sentence to make it correct. The structure of hemoglobin consis chains...

A: Hemoglobin is an iron containing protein in our blood exclusively a component of red blood cells tha...

Q: #12

A: Heart Production: The activity of the heart can be measured to provide statistics on its health and ...

Q: What special terms are given to the plasma membrane,cytoplasm, and smooth ER of a muscle cell?

A: Muscle is a soft tissue like structure which is primarily responsible for the movement in the body. ...

Q: Which is not a function of blood? A. temperature regulation B. regulation of body pH C. hemosta...

A: Blood is a body fluid that circulates throughout the body as a part of the cardiovascular system. It...

Q: hGH stimulates the liver to excrete growth factors. In combination with each other, hGH and growth f...

A: Hormone - Thyroxine 

Q: Increased levels of thyroxine would Select one: a. increase thyroxine through positive feedback b....

A: Thyroid hormones are two hormones produced and released by the thyroid gland, namely triiodothyronin...

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: Draw a structural formula for a nucleoside composed of the following. Q.) b-2-Deoxy-d-ribose and cyt...

A: Nucleoside is the basic unit of nucleic acid containing the nitrogenous base and the sugar which is ...

Q: Define clitoris

A: In humans, the female reproductive system is responsible for performing various functions such as th...

Q: Where is the azygos vein located, and what area does it drain?

A: The azygos system is a united term given to the H-shaped format of the azygos, hemiazygos, supplemen...

Q: Differentiate between appositional and interstitial growthof cartilage

A: Growth from outside Chondroblast in perichondrium secrete matrix.  

Q: Which of the following is unique to the muscles of facial expression?a. They all originate from the ...

A: All the skeletal muscles are specifically attached to  bones but not facial muscles. Facial expressi...

Q: Major features of the cranium; the difference between its base and calvaria; the threecranial fossae...

A: Skull is the structure that is made up of bones and cartilage. It protects the brain and sense organ...

Q: Usually arteries carry nutrient-rich blood, but there are veins that do also.What are their names?

A: The blood flows within vessels of different sizes in animals with closed circulatory systems. Both v...

Q: What is the difference between inorganic and organicchemistry?

A: Chemistry is basically a branch of science which deals with the study of atoms with which substances...

Q: What is the most common complication within 24 hrs. after a myocardial infarction? im stuck between ...

A: A myocardial infarction (MI), generally known as a coronary failure, happens when the blood stream d...

Q: The general name of the monomers thatcompose DNA and RNA; the three universalstructural components o...

A: Nucleic acid is hereditary genetic material of cells consisting of mixtures of basic protein and a p...

Q: Which lists the stages of erythrocyte turnover in the correct sequence? A. vascular spasm, platel...

A: Erythrocyte life-cycle or Red blood cell life cycle Mature Red blood cells in the blood are responsi...

Q: What is the metabolism of carbohydrate on a power point slide

A: The digestion and absorption of nutrients, like carbohydrates, proteins, fats, vitamins, and mineral...

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: Identify the regions of white matter and gray matter in a cross section through the spinal cord. Com...

A: Spinal cord lies loosely in the vertebral column. It extends from foramen magnum where it is continu...

Q: Which of the following is the correct circulatory sequence forblood to pass through part of the hear...

A: The heart is a pumping organ that continuously pumps blood to the entire body. It is made up of four...

Q: Which type of cartilage is this:

A: Cartilage is a versatile and smooth flexible tissue, elastic-like cushioning that covers and secures...

Q: Distinguish between fast-twitch and slow-twitch musclefibers.

A: Muscle tissue contains everything called muscle fibres. Muscle fibres are composed of a single muscl...

Q: question 5

A: Histology studies the microscopic anatomy of biological tissues. It is the counterpart to gross anat...

Q: Hypertrophic cardiomyopathy is always inherited, but the other forms may have other causes. List th...

A: Cardiomyopathy is defined as a myocardial disorder in which the heart muscle is structurally and fun...

Q: From simplest to complex, list and define the body’s sixlevels of organization

A: The six level of organization of the body from simple to complex are: a. Chemical b. Cellular c. Tis...

Q: Distinguish among the four major types of membranes.

A: The four major types of membranes are mucous membrane, serous membrane, cutaneous membrane,  and syn...

Q: What is immunity?

A: Immunity can refer to any organism's ability to fight against a pathogen or toxin using the immune r...

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

A:     Each of the body systems works in collaboration with other systems. Endocrine system, circulator...

Q: Describe the body in the anatomic position. Why is theanatomic position used?

A: Anatomy is a branch in the biological sciences concerned with the identification and description of ...

Q: Russell is 72 years old and is still working part-time as a professor. He has noticed some arm and h...

A: Clinical analysis is the way toward figuring out which sickness or condition clarifies an individual...

Q: Name and describe the four kinds of papillae on thetongue. Which ones are associated with taste buds...

A: Papillae are on the surface of the tongue as nodules that increase the surface area for the taste bu...

Q: Explain why muscles are stiff (contracted) when rigor mortis occurs.

A: Rigor mortis is the condition in which there is the occurrence of biochemical changes after few hour...

Q: Trace a drop of blood from the aorta to the small intestine and back to the right atrium. Include, i...

A: The aorta and its corresponding branches send blood to various organs present in the human body.  It...

Q: Describe how meninges, cerebrospinal fluid, and the blood brain barrier protect the CNS.

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

Q: What is amygdala?

A:   The name given to all the structures in the human brain which are involved in emotion, motivation,...

Q: Are those the correct answers? I'm not sure if this the right correct answer the number 1.

A: In the body, the skeletal structure that that supports the face and protects the brain is referred t...