Fungal infections can be acquired by inhalation, ingestion, or through the skin (for example, through a cut or wound). Some fungal infections can cause disease in otherwise healthy animals, while others require a host that is sick, weakened, or immunocompromised to establish infection.
The heart is at the center of your circulatory system, which is a network of blood vessels that delivers blood to every part of your body. Blood carries oxygen and other important nutrients that all body organs need to stay healthy and to work properly. Your heart is a muscle, and its job is to pump blood throughout your circulatory system.
1 The atria deliver blood to the ventricles, and the ventricles deliver blood to the lungs and to the rest of the body. 2  The right ventricle delivers blood to the lungs while the left ventricle delivers blood to the rest of the body.  The heartbeat (pulse) that we feel is caused by the contraction of the ventricles.