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Maria Erwing
Anatomy Week 6-12
| Term | Definition |
|---|---|
| How many skeletal muscles are in the body. | More than 600 |
| Skeletal name for muscle cells. | Muscle fiber |
| What is a general term for fibrous connective tissue found under the skin and around the muscle. | Fascia |
| The Nervous system is made up of | The brain, spinal cord, and nerves |
| Function of the nervous system | To communicate |
| Subdivisions of the nervous system | Central nervous system (CNS) and Peripheral nervous system (PNS) |
| Action potential—the membrane potential of a neuron that is conducting an impulse; also known as a | Nerve impulse |
| Which neurons communicate with one another | Neurotransmitters |
| Function of cerebrospinal fluid | 1. Provides a supportive, protective cushion 2. Reservoir of circulating fluid, which is monitored by the brain to detect changes in the internal environment. |
| Cranial nerves pairs | C1-C8 |
| Thoracic nerves pairs | T1-T12 |
| Lumbar nerve pairs | L1-L5 |
| Sacral nerve pairs | S1-S5 |
| Function of the Autonomic Nervous System | regulate heartbeat, smooth muscle contraction, glan-dular secretions, and metabolic functions to maintain homeostatic balance and react to threats to that balance |
| General senses | touch, temperature, pain |
| Special senses | vision, hearing, balance, taste, and smell. |
| What two glands make up the Pituitary gland | Made up of two separate glands, the adenohypophysis (anterior pituitary gland) and the neurohypophysis (posterior pituitary gland) |
| What is blood made up of | plasma and formed elements |
| RBCs assist in | transport of oxygen and carbon dioxide |
| WBCs assist in | the defense mechanisms of the whole body |
| Location of the heart | Lies in the mediastinum, behind the body of the sternum between the points of attachment of ribs 2 through 6; approximately two thirds of its mass is to the left of the midline of the body, and one third is to the right |
| Blood vessels act as | transport pipes for blood |
| Function of the Lymphatic system | maintain fluid balance in the internal envi-ronment and immunity; a third function is to collect absorbed fat from the intestines and transport it to the systemic veins |
| Agents of the immune system are | blood cells, skin cells, mucosal cells, brain cells, liver cells, and other types of cells and their secretions |
| The two structural divisions of the respiratory system | Upper respiratory tract (nose, nasopharynx, oropharynx, laryngopharynx, larynx. Lower respiratory tract (trachea, bronchial tree, and lungs. J |