If the whole ectoderm is exposed to high levels of BMP activity, which of the following ectodermal derivatives will not probably form? (Check all that apply)   Nails   Cornea   Facial cartilage   Lens   Brain   Hair   Dentine of the tooth   Neural pituitary   Adrenal medulla   Retina

Q: Birth weight and Dressing Percentage are highly affected by the environment. true or false

A: 1. Dressing percentage : It is the percentage of live animal weight that is left as carcass after s...

Q: Explain how the following factors affect HR, SV and CO. Choose the letter of the correct answer. A....

A: HR is the heart rate that beats per minute. Stroke volume is the volume of blood pumped per beat or ...

Q: Which of the following words is not associated with the spinoreticular tract?     pain     cutaneo...

A: The "brain" is organized into two types of tissue: grey matter, which is composed of mixed neuronal ...

Q: Name a major superficial muscle and two major deepmuscles of the back

A: We know that Muscle is a bundle or band of fibrous tissue present in a human or animal body. It can ...

Q: In ECG each wave is due to an electrical event in the heart. Using that knowledge can you predict wh...

A: The ECG is the graphical representation of the electrical activity of the heart. Each wave represent...

Q: Draw a diagram of a normal electrocardiogram tracing. Name the individual waves and intervals, and i...

A: ECG is a recording of all action potentials produced by the heart muscles during each heart beat. In...

Q: Explain how nervous and hormonal mechanisms controlblood flow.

A: Epinephrine and norepinephrine belong to the class of catecholamines. While epinephrine has more eff...

Q: Using your knowledge in the Anatomy and Physiology of the Respiratory System, trace and how the carb...

A: Respiratory system: a. Respiratory system brings oxygen from the atmospheric air into the body. b. I...

Q: D Skin Drawing 1

A: The skin the largest organ in our body and cover the entire body from the outside. The skin also per...

Q: Name 9 features of the femur that are visible on the anterior surface of the femur.

A: The femur joins the lower leg bones to the pelvic bone. The femur is the human body's longest, heavi...

Q: Define a reflex (spinal and autonomic) and list the five components of a reflex arc.

A: The nervous system of the body is the organ system that helps in the overall signalling of the body ...

Q: Define physiology and describe the levels at which physiology can be studied

A: The study of physiology helps to understand the working of various body systems, the factors that af...

Q: The valve that is located on the same side of the heart as the pulmonary semilunar valve is the mitr...

A: Since you have posted a question with multiple sub parts. We will solve first three sub parts for yo...

Q: What is colon cancer

A: Answer: COLON : It is the tube like structured organ , known as the largest part of the large intest...

Q: 7. Define anterior, lateral, and posterior horns of gray matter and describe what happens

A: In cross-section, the gray matter of the spinal cord has the appearance of an ink-blot test, with th...

Q: Which of the following statements about hyperpolarization is true?  a. it is not an increase in mem...

A: Hyper means more and polarization means charged state so hyperpolarization means the more charge  th...

Q: Brite a brief description of the anatomy on male reproductive system?use at your own words?

A: We know that The Reproductive system of humans ensures the continuation of the existence of the huma...

Q: Use the Eldon Card below to identify the blood type of this patient. What blood type(s) can this per...

A: The ABO blood group is depends on the presence of specific antigen on the plasma membrane of RBC and...

Q: What are the common pathologies associated with the hip and thigh?

A: Hips and thighs contain pelvis, hip joint, femur, hip muscles, inner hip muscles and mnemonic. Pelv...

Q: The cranial nerve is actually an extension of the brain, not a nerve at all! O oculomotor (III) O op...

A: The bundle of axonal fibers nerve that transmit nerve impulse to and from the central nervous system...

Q: Which of the following components of the urinary system develop from the mesoderm of the metanephros...

A: Metanephros are the permanent kidney  developing by the 10th week in human embryos from the lower pa...

Q: In muscle contraction, when nervous stimulation ___, it causes Ca2+ to be ___ the sarcoplasmic retic...

A: The muscle contraction is depends on the interaction of actin (thin filament) and myosin (thick fila...

Q: In this experiment, we will investigate lipid digestion.  Remember that lipids include fats, so the ...

A: "Since you have asked multiple question, we will solve the first question for you. If you want any s...

Q: True or False?? The descending pathway that inhibits pain stimulates inhibitory interneurons in the ...

A: Rostroventromedial medulla (RVM) play important roles in descending modulation of nociception, which...

Q: QUESTION 2 A neuron whose job is to take a signal from the central nervous system (CNS) and deliver ...

A: Neuron which is described as the basic and  fundamental unit of nervous system, is responsible for r...

Q: What are the muscular and skeletal landmarks that can be used to identify the branches of the lumbar...

A: The lumbar plexus is a complex neural network made up of the lower thoracic roots and lumbar ventral...

Q: Explain several specific ways that mammalian brains differ from sharks

A: The Brain is the body's largest and most complicated organ, made up of many (>100 billion neurons...

Q: Label name in this figure?

A: Muscles of the posterior part of the leg: It contains several muscles for the function of plantar fl...

Q: Select the best answer or answers from the choices given: Entry of lymph into the lymphatic capillar...

A: Tissues and organs that work towards the same function together form an organ system. The digestive ...

Q: How does FSH indirectly stimulate spermatogenesis?

A: FSH or follicle-stimulating hormone is responsible for regulating the Sertoli cell number in males a...

Q: Put these autorhythmic cells into the correct order for conveying electrical signals through a norma...

A: Heart is main beating structure that aids in pumping blood to various body parts via involuntary act...

Q: What are two functions of the stereocilia on the epididymal epithelium?

A: In the male reproductive organs, the epididymis is referred to as a tube that links a testicle to a ...

Q: omeone has profusely bled and her blood pressure dropped what mechanisms in her body will help compe...

A: The pressure produced by blood on the walls of a blood vessel that helps to drive blood through the ...

Q: Give an anatomical example of each class of levers andexplain why each example belongs in that class

A: Muscles are required in breathing, talking, running, walking, and anybody movement. Actin and myosin...

Q: 1. How are electron microscopes different from light microscopes and how is their ability to observe...

A: Introduction: A microscope is a scientific tool that is used to look at items that are too tiny to v...

Q: Select the best answer or answers from the choices given: Testosterone is to the male as which hormo...

A: Testosterone is also known as male hormone.The male sex hormone which is steroid in origin is known ...

Q: Put in Order (arrange these structures in the order in which blood passes through them-assume that t...

A: When blood follows through the heart twice by two different pathway it is called double circulation....

Q: What are the three types of stimuli that control hormone release?

A: The release of hormone is under the control of many types of stimuli. The major ones are three in nu...

Q: Which of the following is not involved in the relaxation of smooth muscle fibers? a. calcium ion de...

A: Smooth muscle fibres are shorter and single nucleated. These have an elongated structure with taperi...

Q: Step 2. Now that the cells are at the site of infection, they need to migrate to the specific area. ...

A: The immune system is a complicated physiological system comprised of several organs, tissues, and ce...

Q: Which of the following statements relating to depolarization is incorrect? a. it is a reduction in ...

A: The central nervous system consists of numerous specialized cells called neurons. The neurons are co...

Q: What happens to the fluid in the tissues? What is edema?

A: The normal distribution of body water distribution is as follows- It's divided into two compartments...

Q: Select the best answer or answers from the choices given: The menstrual cycle can be divided into th...

A: Menstrual cycle is complex and is controlled by a number of glands and hormones. The average length ...

Q: Distinguish between pulmonary and systemic vessels.

A: Pulmonary circulation differs from systemic circulation. In pulmonary circulation, the blood moves b...

Q: In the triad, which of the following structure directly regulates Ca2+ release to the cytoplasm?  a...

A: A sarcomere is the basic unit of contraction in each muscle fiber. Actin and myosin are two protein ...

Q: What are Hhe Sequence of events Which lead to Skeletal Muscle contraction? (Starting with depolariza...

A: The mechanism of contraction of skeletal muscle was best explained through sliding filament theory. ...

Q: What are the mechanisms by which growth hormone (GH) stimulates the growth of body cells?

A: The endocrine system is a small set of glands distributed throughout the body, including the pineal,...

Q: Which muscles are antagonistic to the rectus abdominis muscle?

A: The rectus abdominis is an important anterior postural muscle, responsible for maintaining a balance...

Q: A 60-year-old man with a long history of cigarette smoking and chronic obstructive pulmonary disease...

A: 1) In patients with a long history of cigarette smoking and chronic obstructive pulmonary disease, t...

Q: describe the various functions of muscular tissue;

A: Body is composed of cells. Some organisms are made up of one cell, unicellular while other are multi...