Save guides, add subjects and pick up where you left off with your BBC account. Respiration is a chemical reaction that happens in all living cells, including plant cells and animal cells. It is ...

There are over 600 muscles in your body. They make up over 40 percent of your weight and function in several different capacities. Several thousand small fibers make up every muscle.

All muscles in the human body fit into one of three types or categories: "skeletal, smooth, and cardiac," explains Eric Hegedus, PT, PhD, a professor of rehabilitation sciences at Tufts University ...

Find out about back muscles, including their types and functions. Learn about the symptoms of back injury and how to strengthen your back muscles. Skip to main content ...

Draper and Whitehead and their co-workers1 have described a phenomenon which they have called ‘diffusion respiration’. In experiments with dogs, they have shown that the blood under certain ...

Diaphragm Exercises and Other Ways to Work Your Breathing Muscles. Both Vranich and Comana stress that engaging the diaphragm is not enough—you have to strengthen it, just like any other muscle ...

Cardiovascular exercise involves the prolonged use of the muscles through respiration and by increasing your heart rate. Cardio can help you create a calorie deficit, which is essential to losing ...

The auricular muscles appear to activate when humans are trying to listen to competing sounds, not just when wiggling the ears. The findings are detailed in a study published January 31 in the ...

"People are always like, 'Oh, you've got muscles, therefore you must be fit.' I can tell you, for free, they're for decorative purposes at best," an influencer said in a TikTok with nearly 200,000 ...

Your core muscles collectively include four main abdominal muscle groups and engage through three different planes of motion, which is why moving in all directions during workouts is crucial to ...

People with pockets of fat hidden inside their muscles are at a higher risk of dying or being hospitalised from a heart attack or heart failure, regardless of their body mass index, according to ...