___________ crosses the synapse between a motor neuron and a muscle fiber and is responsibile for stimulating muscle contraction.

Q: longer functional. Ependymal cells Oligodendrocytes Microglial cells Astrocytos system which remove…

A: introduction The nervous system is a network of neurons whose primary function is to create, modify,…

Q: Explain why a spinal cord injury in the neck completely paralyzes the skeletal muscles of the limbs,…

A: The brain and the spinal cord of the body controls many vital functions of the body. The brain and…

Q: Right upper and lower facial weakness signifies right upper motor neuron damage.. TRUE OR FALSE

A: Facial palsy refers to the weakness observed in the facial muscles of an individual. It occurs…

Q: Exaggeration of tendon jerks could result from any of the following conditions, except :-a- lesions…

A: A reflex action known as tendon reflex is produced if the tendon located below the knee is tapped.…

Q: If a muscle has the word hallucis in its name, it must cause movement of the -…

A: Muscles are the part of skeletal system in animals and humans. Muscle tissue is made up of Myocytes…

Q: For your eye to focus on this sentence, the ciliary muscle would need to:

A: Ciliary muscles:  A ring of smooth muscle in vascular layer of the eyes. It plays important role in…

Q: Referring to the following diagram, outline the sequence of events from the moment the finger…

A: The above image shown is that of a Reflex arc. It is a protective reflex. When the pain stimulus was…

Q: Dendritic receptor Secretory vesicle Neurotransmitter Axon terminal C D 1. A 2. B 3. C 4. D B A

A: Neurons are fundamental units of brain and nervous system. It consists of axon, dendrites, soma and…

Q: Describe the functions of gamma motor neurons and explain why they are stimulated at the same time…

A: The gamma motor neurons innervate the muscle spindle at every finish. they permit contraction of the…

Q: PART II: FUNCTIONAL CLASSIFICATION OF NEURONS. Given the figure below (Fig. 2), label types of…

A: The functional unit of the brain and the nervous system called a neuron. It receives sensory input…

Q: Give some example of tendon injury.

A: Tendon is a band of dense white fibrous connective tissue that unites a muscle with a bone. It helps…

Q: Label the visible parts in the ff. images 1.1 Skeletal muscle 1.2 Smooth muscle 1.3 Cardiac muscle

A: The skeletal system working is carried out by the muscles. There are three types of muscles in the…

Q: Define naris

A: The Respiratory System of the human body mainly transports air in and out of the lungs. It also…

Q: (muscle type) NN (Neural type). O False True

A: * Nicotinic acetylcholine receptors also known as nAChRs which are the receptor polypeptides that…

Q: Match the letters to their correc A Spinal Cord Sensory Somatic

A: The nervous system is made up of the brain, spinal cord, cranial nerves, and spinal nerves. It is…

Q: The drug Botox prevents wrinkles by preventing muscles from contracting. Specifically, it prevents…

A: Botulinum toxin is a neurotoxic protein produced by the bacterium Clostridium botulinum.

Q: A myelinated nerve fiber can produce action potentials only in specialized regions called…

A: Myelin: Myelin is a fatty substance that is situated around the nerve cell axons. It insulates and…

Q: Label the patellar reflex arc and reciprocal innervation in Figure .

A: Sensory organ Sensory neuron Interneuron  Cell bodies of motor neuron Motor neuron Motor neuron…

Q: QUESTION 6 Identify the specific kind of muscle in the image. cardiac muscle smooth muscle O…

A: Introduction Muscle fibers are made up of single muscle cells. They help to maintain physical forces…

Q: Motor neurons innervating the digits are derived from spinal cord segment________, and then under go…

A: Answer :- Motor neurons innervating the digits are derived from spinal cord segment of muscles and…

Q: Explain why the ratio of motor neurons to muscle fibers isgreater in muscles that control eye…

A: The muscle system is responsible for several functions such as maintaining body posture, locomotion,…

Q: Please lab them

A: The spinal cord is the major component of central nervous system. Different spinal nerves controls…

Q: The axon terminals are indicated by O Letter A O Letter B O Letter C O Letter D O Letter E

A: Each neuron in your brain contains a single lengthy cable that runs away from the cell's main body.…

Q: In one to two sentences name and describe the three parts of the neuron.

A: The neuron consists of three major regions: Cell body or Soma: It is the core of the neuron, has the…

Q: Upper motor neuron

A: B. Upper motor neuron

Q: Skeletal muscle tissue;Location _______________________ Function ______________________

A: Muscles are one of the four main types of tissues found in the human body.

Q: Peripheral Nervous System. Peripheral Nervous System Sensory & Motor nerves

A: The peripheral nervous system consists of the nerves that carry information between the Central…

Q: Very Shortly describe the full process for how nerve signals cause our skeletal muscles to contract…

A: There are three kinds of muscle tissue in the human body and each performs particular tasks for…

Q: nerve fascicles are formed and covered by........................

A: Neurons are the fundamental functioning units of the nervous system. Neurons share many similar…

Q: Cell devision

A: Cell division is the process by which a cell is able to divide itself.

Q: Why would severe trauma to skeletal muscle such as acrush injury have permanently disabling effects?

A: *A crush injury happens when force or weight is put on a body portion. This sort of damage most…

Q: Action potential

A: Our nervous system works by sending signals from one neuron to another in form of electrical signals…

Q: Define axoneme.

A: Cilia and flagella are the two types of structures present in most of the protozoans and animal…

Q: The nuclear-chain fibers of spindles are innervated by :-a- Aα and Aδ nerve fibersb- Aδ and C nerve…

A: The central portion of the spindle is filled with fluid and has striated muscle fibers. These muscle…

Q: Why do smooth muscle fibers in cross section have different diameters and why do some of these fail…

A: Smooth muscle fibres are involuntary muscle fibres present in organ which shoe contractions to…

Q: upper motor neurons: lower motor neurons

A: Answer-  option D-  UPPER MOTOR NEURONES AND LOWER MOTOR NEURONES.

Q: PART I: FUNCTIONAL CLASSIFICATION OF NEURONS. Given the figure below (Fig. 2), label types of…

A: Neurons are the basic unit of nervous system which helps conduct stimuli from tissues to brain and…

Q: Sketch and label a single nerve fiber with Schwann cell (cross section).

A: Neurons are the fundamental unit of the brain and nervous system. Neurons are responsible for…

Q: Label please. The nervous system

A: The Nervous system is a highly complex part of an animal. It coordinates the actions and sensory…

Q: Sketch and label a single nerve fiber with Schwann cell (longitudinal section).

A: A nerve fiber or an axon refers to the thin, long part of a neuron or nerve cell. It is responsible…

Q: Shingles is reactivation of A person suffering from shingles is

A: Introduction :- Shingles is a viral infection. It typically affects a single sensory nerve ganglion…

Q: Introduction of nervous system:

A: Introduction of the nervous system: The nervous system is the major controlling, regulatory, and…

Q: What is the difference between A-delta and C fibers?

A: Nociceptors are made up of different kinds of nerve fibres (axons) that have free ends. The diameter…

Q: Describe the difference between the nerve and muscle in response to increasing stimulus voltage.

A: Introduction A nerve is a cable-like structure within the body composed of neurons that uses…

Q: from stimulus to effector muscle

A: We know that nervous system will coordinate and control the activities of animals and humans .…

Q: When you lift a heavy box, your muscles need to generate a stronger than average contraction. What…

A: Muscle contraction is the mechanism of tightening, shortening, or lengthening of muscles that occurs…