Define adaptation and selection pressure. Why are theseconcepts important in understanding human anatomy andphysiology?

Q: List the steps in the action of most nonsteroid hormones.

A: Non-steroidal hormones are made up of amino acids and are not soluble in fat. Thus cannot be diffuse...

Q: A tissue that covers a surface, is one cell layer thick, and is composedof flat cells isa. simple sq...

A: Epithelial cells are responsible for lining various organs' surfaces and act as a protective barrier...

Q: How are anabolism and catabolism linked by ATP?

A: The human body comprises several various types of tissue and organs that together are responsible fo...

Q: Discuss the joints involved and movements required for you to cross your arms together in front of y...

A: Joints are referred to as solid, movable/immovable articulations of the body that connect two bones....

Q: Have you ever watched an old movie or television show where the expression “the rabbit died” meant t...

A: Introduction: In the year 1931, was developed an early pregnancy test named, rabbit test by Maurice ...

Q: Where is hCG produced, and what effect does it have onthe ovary?

A: Introduction: Human chorionic gonadotrophin is one of the placental hormones. It is primarily lutein...

Q: Compare the effectors of the somatic and autonomic nervous systems.

A: Nervous system together with the endocrine system coordinates and controls the activities of the bod...

Q: Name and define the three layers of collagenous connective tissue in a skeletal muscle

A: Introduction: The skeletal muscle comprises two portions. These are the connective tissue sheath and...

Q: Describe the innervation of the blood vessel walls.

A: The blood vessel wall comprises endothelial cells that give and functionality between smooth muscle ...

Q: Why is the secretion of intrinsic factor one of the most important functions of the gastric mucosa? ...

A: Some vital micronutrients are very necessary for maintaining our body's homeostasis. These micronutr...

Q: Identify the five functions of the respiratory system.

A: The respiratory system consists of the nose, the pharynx, the larynx, the trachea, the bronchi and t...

Q: What is the role of the pancreas in the digestion of food?

A: Pancreas is a dual organ having two functions, namely endocrine function and exocrine function.  End...

Q: Which of the following rows correctly identifies the development of the germ layers? Select one: a...

A: Fusion of a sperm with an egg cell (fertilization) gives rise to a diploid zygote. The zygote underg...

Q: How many bone in heand

A: The skeletal system forms the central framework of the body. It consists of all the bones of the bod...

Q: What is the source of energy for the embryo immediately following the fertilization? Select one: a...

A: Fertilization happens when sperm and ova fuse successfully.  Two haploid structures fuse to form the...

Q: 8. After being chewed, the mixture of food and salivary juices that is swallowed is called a Smooth ...

A: All living organisms require food for energy and organic matter for growth. Food is an organic compo...

Q: Describe flexion and extension, hyperextension, abduction and adduction, circumduction, and rota

A: Anatomical movements: Anatomical movements mainly involve bones and or the body parts that move thro...

Q: What is the significance of the two membranes which surround the lungs?  Between these membranes lie...

A: Lungs are a portion of the respiratory system, a community of organs and tissues that serve together...

Q: Can you help me the name of the tissue?

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

Q: 2.Explain why the following statement is false and explain the correct answer: Neurotransmitters can...

A: Neurotransmitters are a type of chemical messengers secreted by our body that helps in the transmiss...

Q: how does the somatosensory cortex work?

A: Introduction: The sensory system is the portion of the nervous system that comprises the following: ...

Q: Outline how the hypothalamus stimulates the adrenalgland.

A: Hypothalamus is the part of the brain that is principally responsible for carrying out the body func...

Q: 4. You decide your friend is now a patient for you and kick into an initial evaluation. You quickly ...

A: Thermoregulation is the organism’s ability to regulate or keep the body temperature within a specifi...

Q: Name the three phases of gastric secretion

A: The digestive juices are secreted only when these are required, and in proper amount. Their release ...

Q: Assuming you had the necessary materials to perform a detailed chemical analysis of body secretions,...

A: The secretions of an exocrine gland are secreted onto the surface of the epithelium with the help of...

Q: Please explain why you would, most likely, get sick when you touch a contaminated surface with your ...

A: Germs are minor creatures which are so little they cannot be seen without the assistance of a specia...

Q: Can you help me the name of tissue?

A: The tissues present in the human body are classified into four types: the epithelial tissue, the con...

Q: The maximum amount of air that can be expired after a maximum inspiration is a. the tidal volume. b....

A: The breathing process consists of two-stage known as inspiration and expiration. It helps to exchang...

Q: If a person is edentulous explain what oral health disease they could be at risk of? (easy and simpl...

A: Teeth are the bony structures present in the maxillary and mandibular jaw of the human skull. There ...

Q: Which of these organs is not considered an accessory digestive structure?a. mouthb. salivary glandsc...

A: An organ that helps with digestion but is not part of the digestive tract. The accessory digestive o...

Q: Describe the difference between a somatic and visceral reflex.

A: A reflex is an automatic and almost instant reaction in response to the stimulus. The reflex is an u...

Q: Name the type of artery that matches each description:major role in dampening the pulsatile pressure...

A: 1 )  major role in dampening the pulsatile pressure of heart contractions : elastic arteries play a ...

Q: Explain what occurs during mitosis and cytokinesis.

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

Q: Please answer very soon will give rating surely Complete Answer needed

A: Citrate synthase is an enzyme that catalyzes the conversion of acetyl CoA and oxaloacetate into citr...

Q: Which of the following statements does NOT correctly describe the events following fertilization? S...

A: Fertilization is the combination of haploid gametes, egg and sperm, to create the diploid zygote.The...

Q: In making maximal-effort arm movements (e.g., throwing, striking, projecting an object as far and fa...

A: Muscles are the structural and functional entities of the muscular system of the body. Muscles work ...

Q: Explain how the kidney and the respiratory system would act to maintain the normal pH of the body if...

A: Homeostasis is the mechanism through which the acid base balance of the body is maintained in normal...

Q: During gastrulation, cells from the ______ layer of thebilaminar germinal disc migrate and form the ...

A: Once fertilization is complete, the development of multicellular organisms proceeds by a process cal...

Q: Mark the following statements as true for smooth muscle tissue, cardiac muscle tissue, and/or skelet...

A: Muscle contraction is an increase in the tension or decrease in the length of the muscles. Muscle co...

Q: Cardiac output cannot increase indefinitely because, (a) available filling time becomes shorter as t...

A: CARDIAC OUTPUT : cardiac output cannot increase because , available filling time becomes shorter as ...

Q: The most abundant component of plasma is _____________. a. waste b. oxygen c. proteins d. water

A: Blood is a specialized connective tissue and it is composed of plasma and formed elements. The forme...

Q: Describe the levels of progesterone during an average 28-day cycle and explain why these levels occu...

A: The reproduction process in humans includes the fertilization of male and female gamete cells, known...

Q: All of the following events occur by the end of the eighth week of gestation EXCEPT Select one: a....

A: The process of fertilization, that is, the fusion of male and female haploid gametes, leads to the f...

Q: What are the philosophy and psychological approaches to nature vs nuture? And their psychologist, an...

A: Environment is the complex of physical, chemical, and biotic variables that act upon living beings o...

Q: Describe the process of bone remodeling and how it can reshape bones to make them stronger

A: Bones are the structural and functional entities of the skeletal system in humans. Bones help to pro...

Q: What are the four general functions of the plasma membrane?

A: Plasma membrane is a dynamic, fluid structure and forms the external boundary of cells. It acts as a...

Q: What Is the Molecular Mechanism of MuscleContraction?

A: Muscle contraction occurs when there is the activation of shortening or tightening of muscles by the...

Q: Define limbic system, and explain its functions.

A: There are two regions of the limbic system are subcortical and cerebral cortex. Hippocampus and neoc...

Q: For both T1DM and T2DM, describe the following:   Causes Symptoms Treatments Glucose levels ...

A: Diabetes is a disorder that occurs when our blood glucose level gets too high. As glucose is the mai...

Q: Given these events:(1) Osteochondral progenitor cells become osteoblasts.(2) Connective tissue membr...

A: Bones are the rigid component of the skeletal system that are connected to each other at the joint s...