Jan 21, 2018 · There are more than 600 skeletal muscles, and they makes up about 40 percent of a person’s body weight. When the nervous system signals the muscle to contract, groups of …

Jul 30, 2018 · The human digestive system is the means by which tissues and organs receive nutrients to function. The system breaks down food, extracts nutrients from it, and converts …

Aug 7, 2019 · Nerves and their neurons (nerve cells) comprise the nervous system, which acts as a communication network for your body. You have hundreds of nerves and billions of neurons.

Aug 30, 2018 · The human skeletal system consists of all of the bones, cartilage, tendons, and ligaments in the body. Altogether, the skeleton makes up about 20 percent of a person’s body …

Jan 20, 2018 · These muscles help the body bend at the waist. The major muscles of the abdomen include the rectus abdominis in front, the external obliques at the sides, and the …

Jan 20, 2018 · Palm: This is the bottom of the body of the hand. Back (opisthenar): The back of the hand shows the dorsal venous network, a web of veins.

Feb 13, 2023 · The seven chakras are thought of as the main energy points in your body, which run down the spine. Here’s what to know about this ancient, complex energy system.

Jan 22, 2018 · Inner ear: The inner ear, also called the labyrinth, operates the body’s sense of balance and contains the hearing organ. A bony casing houses a complex system of …

Jan 19, 2018 · The cervix of the uterus, also known as the cervix or uterine cervix, attaches the vagina to the uterus.. It is approximately four centimeters long, approximately half of which …

Mar 17, 2020 · Rooted in traditional Chinese medicine, the Chinese body clock is built on the concept of qi (energy) and how it moves through your body during different times of the day.