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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
![(A) Each bronchiole terminates in an alveolar sac, a group of alveoli; (B) alveoli encased by networ](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_13_31_84891921.jpeg)
![reactions of an ester with a carboxylate group to form an anhydride. The R group is the same in each](https://biology-forums.com/gallery/47/medium_9828_12_01_13_11_17_43.jpeg)