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Physiology
weeks 1-6
| Question | Answer |
|---|---|
| What is an action potential? | An action potential is a rapid change in the membrane potential of a neuron, which allows for the transmission of electrical signals along the neuron. |
| Explain the function of neurotransmitters. | Neurotransmitters are chemical messengers released by neurons to transmit signals across synapses to target cells (neurons, muscles, or g |
| What is the endocrine system? | The endocrine system is a collection of glands that secrete hormones into the bloodstream to regulate various physiological processes and maintain homeostasis. |
| name the master gland of the endocrine system. | The pituitary gland is often referred to as the master gland because it controls the function of many other endocrine glands in the body. |
| Describe the structure and function of arteries. | Arteries are blood vessels that carry oxygen-rich blood away from the heart to the rest of the body. They have thick, muscular walls to withstand the high pressure generated by the pumping action of the heart. |
| What are capillaries and what is their role in the cardiovascular system? | Capillaries are tiny blood vessels that connect arteries to veins. They facilitate the exchange of nutrients, gases, and waste products between the blood and tissues. |
| What is the primary function of the respiratory system? | The primary function of the respiratory system is to facilitate the exchange of oxygen and carbon dioxide between the body and the environment. |
| Describe the role of the diaphragm in breathing. | The diaphragm is a dome-shaped muscle located below the lungs. It contracts and flattens during inhalation, increasing the volume of the chest cavity and causing air to be drawn into the lungs. |
| What is the function of the liver in the digestive system? | The liver performs numerous functions in the digestive system, including producing bile to aid in the digestion of fats, detoxifying harmful substances, storing glucose, and synthesizing proteins. |
| What are the main functions of the small intestine? | The small intestine is primarily responsible for the digestion and absorption of nutrients from food. It also plays a role in the secretion of enzymes and hormones involved in digestion. |
Created by:
sydneyp21
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