A low hemoglobin count can also be due to blood loss, which can occur because of: 1  Bleeding from a wound. 2  Bleeding in your digestive tract, such as from ulcers, cancers or hemorrhoids. 3  Bleeding in your urinary tract.  Frequent blood 1  donation. Heavy menstrual bleeding.
The brain is the control centre for your body and it sits in your skull at the top of your spinal cord. The brain has three main parts. 1  The cerebellum (say se-re-bell-um). The brain stem, that controls a lot of the 'automatic' actions of your body such as breathing and heart beat, and links the brain to the spinal cord and the rest of the body.
Share to: 1  The Location and Function of the Cerebrum The cerebrum is the largest and most advanced part of the human brain. 2  The Role of the Cerebrum in the Human Body The human brain consists of three main parts: the forebrain, midbrain, and hindbrain. The Location and Function of the Cerebrum The cerebrum is the largest and most advanced part of the human brain. 2  As the last part of the human brain to evolve, the cerebrum provides humans with many functions that seâ¦.