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Under what conditions will passive transport occur?
Passive transport occurs when molecules move across a cell membrane without the use of energy. This process relies on the natural movement of molecules from areas of high concentration to areas of low concentration, down their concentration gradient. The main types of passive transport include diffusion, osmosis, and facilitated diffusion.
How is facilitated diffusion different from passive transport?
Mediated Transport has an extra step of binding to a carrier protein, while Passive transport does not bind to a protein. Both of them however, move along the concentration gradient (High--> Low)
Does osmosis require energy?
No, osmosis does not require energy. It is a passive process where solvent molecules move across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.
What are two important passive processes for membrane transport?
Diffusion is a method of natural movement of gas molecules from a region of higher concentration to a region of lower concentration. The difference in concentration is called a concentration gradient.Osmosis is the diffusion of water through a biological membrane. Water molecules move along the concentration gradient from the area of higher water concentration to lower concentration.Facilitated diffusion is when proteins within the cell carry or escort certain materials or substances in or out of the cell.
Is a neurology the study of bones or nerves?
Neurology is the branch of medicine that deals with the study and treatment of disorders of the nervous system, which includes the brain, spinal cord, and nerves. It is not related to the study of bones, which falls under the field of orthopedics.
What does passive spinal movement under a load result in?
increased pressure on disks
What happens when Passive spinal movement under a load results in?
increased pressure on disks
What are the kinds of paralysis of the nervous system?
There are two types of spinal cord injuries. Complete spinal cord injuries refer to the types of injuries that result in complete loss of function below the level of the injury, while incomplete spinal cord injuries are those that result in some sensation and feeling below the point of injury. The level and degree of function in incomplete injuries is highly individual, and is dependent upon the way in which the spinal cord has been damaged. Complete spinal cord injuries result in complete paraplegia or complete tetraplegia. Complete paraplegia is described as permanent loss of motor and nerve function at T1 level or below, resulting in loss of sensation and movement in the legs, bowel, bladder, and sexual region. Arms and hands retain normal function. Some people with complete paraplegia have partial trunk movement, allowing them to stand or walk short distances with assistive equipment. In the majority of cases, complete paraplegics choose to get around via a self-propelled wheelchair. Complete tetraplegia is characterized by the loss of hand and arm movement as well. Some tetraplegics require ventilator systems in order to breathe. Depending upon the location of the injury, some tetraplegics may have some arm and hand movement present. Incomplete spinal cord injuries are more common than complete injuries, and are characterized by some degree of sensation and movement below the point of injury. The extent of an incomplete injury is generally determined after spinal shock has subsided, approximately six or eight weeks post injury. Incomplete spinal injuries can result in some feeling but little or no movement, or in some movement but little or no feeling. Incomplete spinal injuries fall under five different classifications: * Anterior cord syndrome: characterized by damage to the front of the spinal cord, resulting in impaired temperature, touch, and pain sensations below the point of injury. Some movement can later be recovered. * Central cord syndrome: characterized by damage in the center of the spinal cord that results in loss of function in the arms but some leg movement. Some recovery is possible. * Posterior cord syndrome: characterized by damage to the back of the spinal cord, resulting in good muscle power, pain, and temperature sensation, but poor coordination. * Brown-Sequard syndrome: characterized by damage to one side of the spinal cord, resulting in impaired loss of movement but preserved sensation on one side of the body, and preserved movement and loss of sensation on the other side of the body. * Cauda equina lesion: characterized by injury to the nerves located between the first and second lumbar region of the spine, resulting in partial or complete loss of sensation. In some cases, nerves regrow and function is recovered.
Do armadillos have back bones?
Yes, they have a spinal cord under their armor.
Voluntary movements are under the control of the?
The somatic nervous system controls the skeletal system and voluntary movement by stimulating muscle contraction. Parts of the somatic nervous system are spinal nerves, cranial nerves, association nerves.
What aftercare is associated with spinal instrumentation?
After surgery. Movement is severely limited for a period of time. This can be as long as six to eight months. Physical therapists assist. The patient can expect to remain under a physician's care for many months.
What is the movement of glacial ice called?
The movement of glacial ice is called glaciation or glacial flow. Glaciers move due to the force of gravity and the deformation of the ice under pressure. This movement can result in the formation of features like moraines, crevasses, and glacial valleys.
Where is the C-5 located on the spinal cord?
Right under the c 4
What methods did Indians under Gandhi to resist British rule?
he used passive resistance
Can skeletal muscules be controlled?
Yes, skeletal muscles are under voluntary control, meaning that we can consciously decide when to contract or relax them to perform movements. This control is facilitated by the motor neurons in the brain and spinal cord that send signals to the muscles to initiate movement.
What methods did Indians under Gandhi use to resist British rule?
he used passive resistance
What is the thing called when rock and soil fall due to gravity?
The process is called mass wasting or mass movement. It refers to the downslope movement of rock, soil, and debris under the influence of gravity. This can result in various forms such as landslides, rockfalls, and slumps.
