The diaphragm and intercostal muscles are involved in the process of inhalation and expiration. During inhalation, the diaphragm contracts and moves downward while the intercostal muscles expand the rib cage. This creates more space in the chest cavity, allowing the lungs to expand and fill with air. During expiration, the diaphragm and intercostal muscles relax, causing the chest cavity to decrease in size and the lungs to expel air.
The brain is not one of the essential components of a reflex arc. Reflex arcs involve sensory receptors, afferent neurons, interneurons, efferent neurons, and effectors, but they do not involve the brain in the reflex loop.
The term reflex or phrase reflex action describes a quick spontaneous automatic response to a stimulus that does not involve thinking about it. It is controlled through the brain, but does not require thought.
Skeletal muscles, which are effectors, are involved in somatic reflexes. Somatic reflexes involve voluntary control of skeletal muscles and are part of the somatic nervous system. Autonomic reflexes, on the other hand, involve the control of smooth muscle, cardiac muscle, and glands, and are part of the autonomic nervous system.
Conscious actions, such as voluntary movements controlled by the brain, are not reflex actions in humans. These actions involve decision-making and higher brain functions, unlike reflex actions which are automatic responses to stimuli.
The reflex associated with the sensory stimulation of the pulmonary stretch receptors is known as the Hering-Breuer reflex. It is responsible for inhibiting inspiration to prevent overinflation of the lungs, promoting expiration and maintaining normal breathing patterns.
A spinal reflex does not involve the brain. This type of reflex is controlled by the spinal cord and does not require the brain to initiate a response. Examples include the knee-jerk reflex and the withdrawal reflex.
Reflex actions are sudden responses, which do not involve any thinking.
True
Protection(?)
The brain is not one of the essential components of a reflex arc. Reflex arcs involve sensory receptors, afferent neurons, interneurons, efferent neurons, and effectors, but they do not involve the brain in the reflex loop.
The term reflex or phrase reflex action describes a quick spontaneous automatic response to a stimulus that does not involve thinking about it. It is controlled through the brain, but does not require thought.
no
The statement "The patellar knee jerk reflex is controlled by the brain" is not correct. The patellar knee jerk reflex is actually a spinal reflex, meaning it does not involve the brain in its initial response.
both eyes
eating
Skeletal muscles, which are effectors, are involved in somatic reflexes. Somatic reflexes involve voluntary control of skeletal muscles and are part of the somatic nervous system. Autonomic reflexes, on the other hand, involve the control of smooth muscle, cardiac muscle, and glands, and are part of the autonomic nervous system.
Conscious actions, such as voluntary movements controlled by the brain, are not reflex actions in humans. These actions involve decision-making and higher brain functions, unlike reflex actions which are automatic responses to stimuli.