Name the two main hormones that affect the heart. Whereare they produced, what causes their release, and whateffects do they have on the heart?

Q: Séléct ALL that could cause muscle cramping (a sustained muscle contraction) in skeletal muscle: O H...

A: A muscle cramp is a temporary muscular pain caused by the dehydration of the body and ultimately mus...

Q: Jenny, has recently decided to spend two years as a missionary in a coastal African village. As part...

A: The problem that occurs due to Foodborne infection is referred to as food poisoning that is due to t...

Q: 4.    This is not and will not be graded

A: The circulation of blood (containing nutrients and oxygen) throughout the body is governed by the he...

Q: Why must the primary spermatocyte move through the blood–testis barrier before undergoing meiosis?

A: The blood-testis barrier (BTB) function to provide an immunological barrier to complete the process ...

Q: How do the hydrophilic heads and hydrophobic tails ofphospholipid molecules result in a plasma membr...

A: Hydrophilic end means water attracting ends and hydrophobic end means water repelling.  According to...

Q: True or false. Normal urine has some bacteria in it even if the urine sample was taken properly.

A: Urine is the product of the excretory system that carries excess water and other excess molecules. U...

Q: Nervous Tissue 1. Name the two types of cells present in nervous tissue. Describe their function.   ...

A: The nervous system in the human body is responsible for controlling all the body parts through trans...

Q: List the bones of the axial skeleton and of the appendicular skeleton.

A: In humans, the skeleton is responsible for supporting the structure of the body. Skeleton also provi...

Q: Define matter. How are the mass and the weight of anobject different?

A: Matter is everything around you. Atoms and compounds are all made of very small parts of matter. Tho...

Q: Which type of fiber could be considered the longest?a. preganglionic parasympatheticb. preganglionic...

A: The nervous system is a complex network of cells and nerves that carry messages from and spinal cord...

Q: write on the clinical significance of pulse pressure

A: The heart is a four chambered structure that is responsible for pumping the blood into the arteries ...

Q: Explain how bones are classified by shape.

A: A bone is a hard structure that makes up the skeletal system. There are a total of 206 bones in the ...

Q: Give examples in the human body of muscles and their associated joints that illustrate each type of ...

A: The term joint is used to describe the site where two bones of the skeletal system are attached with...

Q: Match the chromosome disorder to its descriptionin the key. Turner syndrome a. female with undevelop...

A: Chromosomal disease, any condition of any of the body's structures marked by abnormalities or defect...

Q: The term “prime mover” is used in the business world to indicate people that get things done—the mov...

A: 1. The muscle acts directly to bring about a required movement. 2. Agonist's muscles are associated ...

Q: Explain what causes age spots and white hair.

A: The age spots are the dark spots that are caused by the overactive secretion of the melanin in the c...

Q: When 2-year-old Jamie was diagnosed with rickets, the doctor put him on a diet rich in vitamin D. Wh...

A: The vitamin D is one of the essential nutrients which governs the effective functioning of the body....

Q: For the Tarsals what is the proximal joint what are the bones of proximal joint what are the bon...

A: Tarsal (often called tarsus) is a group of 7 short, irregularly shaped bones. These bones are proxim...

Q: Draw a typical epithelial cell, include the apical portion, villi, basal portion, nucleus.

A: The cells are the basic biological unit of life. These cells of the body are responsible for carryin...

Q: I need help with this question.

A: Epithelial tissue is one of the four basic types of tissues found in humans. Epithelial tissues are ...

Q: Why does a myelinated axon conduct action potentials faster than a nonmyelinated axon?

A: The neuron is the basic working unit of the brain, a specialized cell designed to transmit informati...

Q: Savannah is an active 3-year-old who began to cough andsniffle. Then she experienced an earache and ...

A: The ear is the most sensitive part of a sense organ. It provides the hearing ability to every indivi...

Q: Which element is important in directly triggering contraction?a. sodium (Na+)b. calcium (Ca++)c. pot...

A: Muscles that are composed of muscle fibres are responsible for facilitating involuntary and voluntar...

Q: Give the name of the structure that the phrase describes. Sustains the embryo with nutrients and rem...

A: A fetus is the animal’s unborn offspring that matures from an embryo. The fetal development in human...

Q: Are the thoracic vertebrae medial or lateral to the scapulae?

A: The bones of the vertebral column that lie in the thorax region of the body are called the thoracic ...

Q: Match the numbers in Figure with the description of what is happening as the sensory neurons, intern...

A: graded potential starts in a sensory receptor in the skin  At the first synapse , a presynaptic sens...

Q: Part A - Why do arteries have many more elastic fibers than veins? O They have less pressure during ...

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

Q: Richard has been attending school part-time, working full-time, and caring for his sick mother for t...

A: Cortisol is a steroid hormone which is derived form cholesterol produced by the adrenal cortex. The ...

Q: What must happen to the vocal folds to produce a higherpitched sound? A lower-pitched sound? What pr...

A: Introduction: The larynx is referred to as the voice box. Broca's area (Area 44) is situated in the ...

Q: Not every sensory receptor is a sense organ. Explain

A: Sense organs can be described as specialized organs that consist of neural networks that generate an...

Q: Transport mechanisms are often categorized according to the number of transported solutes and the di...

A: Transport mechanisms are cellular machinery to transport molecules, ions, and cellular substances ac...

Q: There are not enough living hearts available to meet the needfor heart transplants. What are some of...

A: The heart is a muscular organ in most animals. It pumps blood through the blood vessels of the circu...

Q: When a long bone breaks, blood vessels at the fracture line aresevered. The formation of blood clots...

A: Bone remodeling is the process by which old bone tissues are replaced by new bone tissues. This proc...

Q: What are the target tissues and effects of calcitonin and parathyroid hormone?

A: Calcitonin is a hormone produced by the parafollicular cells (C-cells) present in the thyroid. Calci...

Q: Name the glands of the skin and describe the secretionsthey produce.

A: Skin is part of the integumentary system and is the largest organ of the body. It is made up of thre...

Q: Name the four major curvatures of the adult vertebralcolumn, and explain what causes them. Describe ...

A: a. Cervical b. lumbar c. pelvic d. thoracic The three curvatures that are movable are lumbar, thora...

Q: Explain the Effects of Aging on Nervous System ?

A: The system which is responsible for controlling and coordinating various activities of the animals i...

Q: What are tears and what structure secretes them?

A: Tears are a reasonable fluid discharged by the lacrimal organs (tear organ) Their capacities incorpo...

Q: Identify the components of the limbic system

A: The limbic system can be described as the part of the brain principally responsible for controlling ...

Q: What is the primary job of the Respiratory System?

A: Respiratory system  is a system of various functional organs helping the body to absorb oxygen from ...

Q: When altering fundamental frequency why do we change the stiffness and thickness of the vocal folds?

A: Vocal cords are also known as vocal folds that are folds of tissue in the throat to generate sounds ...

Q: What is anatomical position in humans? Why is itimportant?

A: The field of biology associated with the examination of the arrangement of organisms and their secti...

Q: Define xiphoid

A: Anatomical terms of bone. Trauma is a significant component in the aetiology of xiphoid syndrome. Ac...

Q: Distinguish among the functions that occur in males,females, and both.

A: Female reproductive system consists of uterus, ovary, fallopian tubes, cervix, and vagina. Eggs are ...

Q: What is the role of microorganisms in the colon?

A: The colon or the large intestine is the part of the alimentary canal that collect the undigested foo...

Q: descending/ascending vs efferent/afferent nerves

A: The white matter of the spinal cord consists of mixture of ascending (sensory or afferent) and desce...

Q: Differentiate between the arrangement of elements (load, fulcrum, and effort) in first-, second-, an...

A: A lever permits the effort to move the heavier load or heavy body, or move a load faster and farther...

Q: Describe some of the advantages of polyploid plants. What are theconsequences of having an odd numbe...

A: The heritable disorder of having more than two complete sets of chromosomes is polyploidy. In plants...

Q: Kelly was diagnosed with myasthenia gravis. She was mistakenly overdoses on neostigmine (an ACHE inh...

A: Myasthenia gravis is a long lasting autoimmune, neuromuscular disease which weakens the skeletal mus...

Q: Which of the following is not a tissue type found in the skin? O Stratified squamous epithelium Loos...

A: Nervous tissue