The largest cell of the human body is Nerve cell. Nerve cells, also known as neurons, can vary in size but can extend long distances, such as motor neurons that run from the spinal cord to the toes, making them ...
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In humans, 31 pairs of nerves emerge from the spinal cord. These spinal nerves are responsible for transmitting sensory and motor information between the spinal cord and various parts of the body, facilitating movement and sensation.
The control center of reflex actions is – In the vertebral cord. Reflex actions are rapid, involuntary responses to stimuli that are mediated by neural circuits within the spinal cord, bypassing the brain’s involvement for quicker reactions to potential threats ...
The process of respiration takes place in Mitochondria. Mitochondria are organelles responsible for cellular respiration, where oxygen is used to break down glucose molecules and produce ATP, the energy currency of the cell.
In humans, the amount of O₂ in the air exhaled during respiration is 16%. Exhaled air contains a lower concentration of oxygen compared to inhaled air because oxygen is absorbed by the body’s tissues during cellular respiration.