Slugs move oxygen throughout their bodies, as other animals do, but they do so without lungs. How is this possible?

Many designs involve multiple engineering domains. For example, hybrid vehicles balance engine performance with emissions limits; UAVs balance thermal limitations on their batteries with ...

Respiration is the transfer of electrons from substrates to oxygen, a process that moves protons out of the mitochondrial matrix to establish a chemiosmotic gradient. The potential energy of this ...

Correspondence to Dr Patrick O McKeon, Department of Exercise and Sport Science, School of Health Sciences and Human Performance, Ithaca College Hill Center, Room G66 953 S. Danby Rd, Ithaca, NY 14850 ...

Narrator: Muscles! Really? They don't look much use. When a muscle contracts (bunches up), it gets shorter and so pulls on the bone it is attached to. When a muscle relaxes, it goes back to its normal ...

It’s easy to look at exercise as just a way to burn calories, but there’s more to movement than energy expenditure. A fitness routine teaches your body how to work better, making you stronger the ...

The heart is a pump, and the blood goes round, and round, and round all the time. And why does it do that? Why can't it just have a rest? Well, the blood has to be kept moving around all the time ...

Orthopedic conditions affect the muscles, joints, ligaments, and bones. Symptoms vary by condition, but you might experience pain, stiffness, or reduced mobility. Treatments vary based on the specific ...

Lymphatic drainage massage gently targets the lymphatic system just under your skin. While touted as a way to flush toxins, it's mainly used to help with swelling from extra lymph fluid in your ...

As you age, your body changes. Some of the things you used to be able to do aren’t as easy anymore. It’s normal to have changes in flexibility, muscular strength, bone density, and the time it takes ...