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Biology Weeks 6-12

Flash Cards

QuestionAnswer
The basic functional unit of the nervous system Neuron
To insulate axons and increase the speed if nerve impulses the primary role the myelin sheath
The medulla oblongata the part of the brain that controls breathing, heartbeat, and digestion
Which gland produces hormones that regulate metabolism The thyroid gland
What hormone is secreted by the pancreas to lower blood sugar levels? Insulin
Epicardium, myocardium, and endocardium The three layers of the heart wall
the left ventricle is the chamber of the heat that pumps oxygenated blood.
What is the main function of the lymphatic system? To return excess fluid to the bloodstream and help fight infections
B Lymphocytes or B Cells are a type of white blood cells that is responsible for producing antibodies
The structure that contracts to pull air into the lungs? the diaphragm
Alveoli tiny sacs in the lungs where gas exchange occurs
The difference between systemic and pulmonary circulation Systemic moves blood between the heart and the body Pulmonary moves the blood between the heart and lungs
Created by: ChesetericaDavis
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