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.
Functions of the Hypothalamus. The hypothalamus is one of the important organs of the brain that plays a crucial role in its functioning. It receives stimuli from the external environment i.e. the visceral or somatic sense organs.Receptors of the hypothalamus help in capturing the stimuli.he hypothalamus is an almond-shaped organ of the brain that lies just below the thalamus and slightly above the brain stem. This part of the brain does the job of connecting the endocrine system with the nervous system through the pituitary gland.