|
|
If you could remove all of your skin, it would weigh up to 5 pounds.
Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.
The human body produces and destroys 15 million blood cells every second.
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
![Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican](https://biology-forums.com/gallery/47/medium_4_20_10_12_12_49_12_9506391.jpeg)
![Children with disabilities used to be sent to special schools. In a process called mainstreaming or ...](https://biology-forums.com/gallery/27/medium_482573_20_04_17_1_00_31_27949851.png)