Ida and Pingala Nadis are the subtle channels which carry the subtle pranic energy
Yoga nadis is used as the ancient physiological term and seems like it has a resemblance to the nervous system
Vishuddha Chakra is the throat chakra which corresponds to the Laryngeal plexus in the physical body and it is situated in the base of the throat.
Sahasrara chakra is the chief of all the six chakras namely, Muladhara, Svadhishthana, Manipura, Anahata, Vishuddha and Ajna.
Ajna chakra is the second most important chakra and it is situated in the forehead between the two eyebrows.
Anahata chakra is the heart chakra, so it corresponds to the cardiac plexus in the physical body and situated in the center of the chest.
Svadhisthana is second level chakra located just above the Muladhara chakra at the root of the abdomen.
Muladhara chakra is termed as the adhara chakra, which means support for all other chakras. It is situated at the base of the spine near to the genital organ.
There are seven major kundalini chakras and energy centers in man that are neither present in the physical body nor detected any direct means.