|
|
Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
![Symporter protein in the loop of Henle: (a) normal reabsorption of inhibition of the Na+, K+, and ...](https://biology-forums.com/gallery/28/medium_482573_28_04_17_1_26_06_28559457.jpeg)
![Inline four-cylinder engine showing principal and nonprincipal ends. Normal direction of rotation is ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_1_02_50_2932579.png)