The most important lung function is to take oxygen from the environment and transfer it to the bloodstream. Lung function tests can show how well the lungs carry out this task. The left and right ...

Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

The endocrine system uses chemical messengers called hormones to regulate a range of bodily functions through the release of hormones. The endocrine system is a network of glands and organs located ...

What Is the Endocrine System? The endocrine system is a network of glands in your body that make the hormones that help cells talk to each other. They’re responsible for almost every cell, organ, and ...

The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry deoxygenated blood ...

Your nervous system is a network that sends signals between your brain and other parts of your body to control your body's movements and processes. This system includes your brain, spinal cord, and ...

Instead, surfactant is also important in narrow tubular respiratory structures such as the terminal airways of mammals and the air capillaries of birds. (3). Insect tracheoles: We investigate the ...

The condition of our lungs can reveal a great deal about our wider health. Luckily you can also get them into better shape.

In the United States, about 30-40% of donor hearts aren't considered for transplant due to inadequate function in the donor. This leads to a drop in the number of donated hearts that are available to ...