Manufacturers of shampoos and conditioners often claim their products contain vitamins that are necessary to keep hair shafts healthy. Do hair shafts need vitamins?

Q: Compare and contrast the CNS hierarchy that controls theautonomic nervous system.

A: Introduction:- One of the components of the peripheral nervous system is found to be the autonomic n...

Q: Identify and describe the structure and function of neurons and neuroglial cells in nervous tissue?

A: Introduction: Nerve tissues are located in the brain, spinal cord, and nerves. It is responsible for...

Q: List the five steps in a reflex arc

A: Introduction:- The reflex arc is a special neural circuit that begins with a sensory neuron in the r...

Q: What leg muscles are contracted when you are sitting at your desk?

A: Crural muscles are those muscles that are available inside the leg. For the development of the foot,...

Q: Describe the sacrum.

A: We can say that The sacrum, a large flattened triangular bone is wide at its superior base and taper...

Q: Explain the functions of the three main cell types in bone tissue?

A: In most vertebrate animals, a bone is a stiff tissue that makes up part of their skeleton. Bones pro...

Q: Which brain area records the expected gains and losses associated with possible actions? a. Anterior...

A: Introduction:- Basal ganglia help in gradual probabilistic learning. it helps in forming nonverbal m...

Q: Pre-Lab Exercise 20-2 Formed Elements In this unit we will identify the formed elements of blood on ...

A: Blood is red coloured opaque, alkaline fluid connective tissue that flows through the heart and bloo...

Q: How are rods different from cones?

A: Eyes are referred to as the special sense organs that are principally responsible for the perception...

Q: A woman has a 28-day reproductive cycle. Her first day of menstruation for this month/ current repro...

A: The reproductive cycle in the female primates is called menstrual cycle. The first menstruation begi...

Q: Explain how the hypothalamus regulates and controls endocrinesystem function.

A: The hypothalamus is especially indulge in the functions of pituitary gland. When it gets a sign from...

Q: Describe the sequence of events that occur during swallowing.

A: The body needs organic matter to grow and it is taken from the food. Food has complex organic matter...

Q: Identify the component of the heart’s electrical conduction system that fits each description below:...

A: Cardiac cycle is an event which involves with continuous relaxation as well as relaxation of heart m...

Q: Describe the structure of the blood-brain barrier and how itprotects the brain.

A: Introduction: The skull comprises the brain's parenchyma consisting of cells that surround the Inter...

Q: Describe the four organizational patterns in fascicles

A: An organ consists of bundles of fibers that produce force and move the body. Muscles are an organ sy...

Q: Why can the retina pull away from the back of the eyeball?

A: We can say that Retina is a sensory membrane that lines the inner surface of the back of the eyeball...

Q: State whether each of the following describes epithelial, connective,muscle, or nervous tissue. a. _...

A: All living organisms have cells, which are the most basic and crucial unit of life. All of the essen...

Q: Capillary walls are composed of an endothelium and a basement membrane only. True or False

A: Capillary septa consist of a single layer of flattened endothelial cells, the endothelium, and these...

Q: How do the phospholipids arrange themselves in the plasma membrane? Why?

A: The plasma membrane can be outlined as the outer membrane of the cell that separates the cell from t...

Q: What is the major distinction in the chemical composition of blood plasma and interstitial fluid?

A: Blood is a body fluid and is a part of circulatory system which contain pigment protein Hemoglobin f...

Q: Circle True or False for the following questions.1. The heart beats without extrinsic stimulation fr...

A: 1. True The heart beats without extrinsic stimulation from the autonomic nervous system. 2. False, A...

Q: Assume the membrane is only permeable to Na+ and K+, the electrical model of axon membrane is the fo...

A: A membrane potential is the electrical potential difference across a cell membrane. It is determined...

Q: All parasympathetic division synapses useas a neurotransmitter.a. dopamineb. norepinephrinec. acetyl...

A: Introduction:- Neurotransmitters are often referred to as the body's chemical messengers. Cells are ...

Q: Define the classes of ribs.

A: Introduction: Ribs are the bony arches that are arranged one below the other. The gaps present betwe...

Q: Place the following structures in the appropriate category based on their location in a cell. Cilium...

A: Cell is structural and functional unit of body. All enzymatic activity happened inside the cell that...

Q: Why is the force exerted on the oval window greater than that exerted on the tympanic membrane durin...

A: The sound waves upon reaching the tympanic membrane cause the movement of the auditory ossicles. Thi...

Q: When someone demonstrates an anatomical difference between male and female brains, on average, what ...

A: The human brain is a highly complex organ in living organisms. The brain consists of more than 100 b...

Q: Mitochondrion Vesicle Heterochromatin Peroxisome Nucleus Prev 40 of 44 Next ...

A: Cell is the structural and functional unit of the body. Eukaryotic cells has various cellular organe...

Q: Compare the structure, location, and function of the parietal andvisceral layers of the serous peric...

A: We can say that pericardium is a two-layered membrane present around the heart. It protects the hear...

Q: (HBS 2.3.2) Place the following in the correct sequence for a thyroid feedback. Starts with: Hypotha...

A: The sequences how the thyroid hormones are released from the thyroid glands. There are two main thyr...

Q: What are the functions of microtubules?

A: Introduction: The cell is regarded as the fundamental unit of life as all tissues, and any organized...

Q: Describe the recycling of bile salts by the enterohepatic circulation

A: Introduction: Bile salts are the amphipathic molecules possessing a hydrophobic (polar) and hydrophi...

Q: Which heart activity correlated with the highlighted portion of the EKG in this image? A) atrial dep...

A: EKG is a test which involves the measurement of electrical signal in heart. This test is used to mea...

Q: Our somatic cells’ DNA is distributed among 46 ________ in the nucleus. a. nucleosomes b. chromatids...

A: All living organisms have cells, which are the most basic and crucial unit of life. All of the essen...

Q: Explain the structure and function of mucous, serous, cutaneous, and synovial membranes.

A: A tissue membrane is a sheet of cells or a thin layer that covers the outdoor part of the body, orga...

Q: 5. In carpal tunnel syndrome, fluid and enlarged tissues can accumulate and put pressure on nerves a...

A: An occupational disease refers to a disease or disorder caused due to a person's work environment or...

Q: Hair and Nails - what are there function and structures?

A: Hair and nails are the accent systems present alongside the pores and skin. These structures provide...

Q: Compare and contrast the flexor digitorum superficialisand the flexor digitorum profundus; where doe...

A: The forearm represents the upper limb that extends from the elbow to the wrist and fingers. The musc...

Q: Describe the three main types of cancerous skin tumors?

A: Skin most cancers — the ordinary boom of pores and skin cells — most customarily develops on pores a...

Q: According to the neurodevelopmental hypothesis, when do the brain abnormalities associated with schi...

A:

Q: When a heart is transplanted into a patient, it is not possible to connect autonomic neurons from th...

A: The heart is a four chambered, muscular organ in most animals, including humans. Blood circulates th...

Q: List five functions of membrane proteins?

A: The proteins that are associated or present in plasma membrane are known as membrane proteins. These...

Q: A person who is extremely allergic to bee stings may carry an“EpiPen,” which is an auto-injector of ...

A: We know that Allergies can be defined as an abnormal condition of the body in which the immune syste...

Q: What is the sternal angle, and what is its clinical significance?

A: We can say that The thoracic cage, also known as the bony thorax, protects and supports vital organs...

Q: What is cholesterol?

A: Lipids are compounds that are insoluble in water and include a large variety such as waxes, oils, ho...

Q: Q NO 1 (a) Enumerates five sensory receptors?

A: Sensory receptor are the special structure which have ability to take up stimulus . These sensory re...

Q: Describe the intestine as a barrier function

A: Intestine is a part of alimentary canal or gut. Is composed of simple columnar epithelial cells. It ...

Q: Identify the following properties as belonging to mitochondria, peroxisomes, or ribosomes. a. Detoxi...

A: The cells that are the structural and functional units of the body contain various cellular organell...

Q: Compare and contrast the structure of arteries, capillaries, and veins

A: Introduction:- The arteries carry oxygen-rich blood to the capillaries, where the actual exchange of...

Q: After Alejandro quit smoking, he discovered that foods seemedmuch more flavorful than when he had sm...

A: We can say that Perception refers to an organism's ability to obtain sensation as input from the env...