Heart - Circulatory System: heart, blood, and vessels. 8-12 oz. Muscle is called myocardium. Specialized, self contained unit Deoxygenated blood> superior and inferior vena cava> Right Atrium> tricuspid valve> Right…
Blood - Fluid tissue made of cells and plasma Average pH is 7.4, 5 or 6 liters of it _ Red blood cells - erythrocytes, hemoglobin binds/carries O2 and transports…
Endocrine System: regulates body functions ie. Growth, reproduction, temp, metabolism Hypothalamus Pineal Pituitary> called the master gland Thyroid> growth, calcium maintenance Parathyroid> calcium maintenance Thymus Adrenal> sex hormones, water/salt balance.…
Autonomic Nervous System: regulates involuntary activities ie. Heart and smooth muscle Two divisions: Sympathetic> fight or flight, tachycardia, raise BP, nervousness. Epinephrine and Norepinephrine Parasympathetic> calm down, nausea, vomiting, fainting,…
Central Nervous System Brain Cerebrum Diencephalons Hypothalamus Thalamus Pituitary Brainstem Medulla (heart rate, breathing, vasodilation, vomit, swallow) Pons (sleep, respiration) Midbrain (exit of cranial nerves) Cerebellum Spinal Canal: through the…