The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is ...

A basic review of the anatomy, physiology and personal protective equipment related to the respiratory system.

For every subject in Class 11, the Punjab School Education Board (PSEB) has published the most recent curriculum. Based on ...

We usually think of the heart as something every animal needs– pumping blood, carrying oxygen, and keeping the body alive. It ...

Remember that time you laughed so hard you couldn't breathe? Turns out, that moment of pure joy might have been secretly ...

Circulatory system: Blood vessels. Laid end-to-end, ... 2.5 million new red blood cells are released from the bone marrow, replacing a similar number that are destroyed or damaged.

Following a heart transplant, patients must undergo surgical biopsies so that clinicians can monitor for signs of organ rejection. A new study shows the promise of a biomarker that could allow doctors ...

Blood donation is a good deed and much more than that. Along with saving lives, it can boost heart health, burn calories, and ...

Researchers say a key compound in this drink could restore cells helping you live for longer and protecting you against ...

Dark chocolate and tea contain flavan-3-ols that lower blood pressure naturally. Discover 5 foods with compounds that improve ...

Forget brute force—Stanford engineers are using finesse to tackle deadly clots.