Chapter 1 Book Notes

What is the anatomical position? {Ans: The body is erect, the feet are slightly apart, the head is held high, and the palms of the hands are facing forward}What is the vertebral body cavity? {Ans: Thoracic cavity - pleural cavities that encase a lung Mediastinum which contains the pericardial cavity (encloses the heart and surrounds the other thoracic organs) Abdominopelvic cavity- Stomach Intestines Spleen Liver Urinary bladder Reproductive organs Rectum}What is the integumentary system composed of? {Ans: skin, hair, nails, glands}What does the integumentary system do? {Ans: Forms the external body covering, protects deeper tissues from injury. Synthesizes vitamin D houses cutaneous receptors and sweat and oil glands}What does the respiratory system do {Ans: Keeps blood supplied with oxygen Removes CO2 This happens in the walls of the air sacs of the lungs}What is the endocrine system composed of? {Ans: Pineal gland Pituitary gland Thyroid gland Thymus Adrenal gland Pancreas Testis/ovary}What is distal {Ans: Farther from reference point}What is contractility {Ans: muscle cell's ability to move by shortening}What does the digestive system do? {Ans: Breaks down food into absorbable units that go into blood for distribution Indigestible foodstuffs are eliminated as