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malfutka [58]
2 years ago
14

Create a flow chart to represent and describe the process of urine formation in the kidneys. you can use any flow chart format t

hat you wish but you must include the components below: adh hypothalamus liver nephrons pituitary urea renal tubule glomerulus review this rubric and open this flow chart example for this activity.

Biology
1 answer:
luda_lava [24]2 years ago
6 0

Answer:

The key steps to urine formation have been outlined in the attached file (flow chart diagram). Key components highlighted.

Explanation:

GLOMERULAR FILTERATION

The kidney consists of NEPHRONS, which consist of a network of capillaries (surrounded by the Bowman’s capsule), called GLOMERULUS. Water and solutes are filtered from the blood in the capillaries into the capsule through a filtration membrane.

The HYPOTHALAMUS in the brain secretes VASOPRESSIN A.K.A ANTIDIURETIC HORMONE (ADH). The ADH passes through the PITUITARY GLAND into the bloodstream and serves to regulate the blood pressure and water levels the kidney absorbs.

REABSORB VITAL NUTRIENTS

While larger cells and proteins are retained in the bloodstream, glomerular filtrate (fluids) flows into the RENAL TUBULE where reabsorption of essential substances that may have escaped the membrane, are taken in through the convoluted tubule.

SECRETION AND EXCRETION

Waste ions are also passed into the renal tubule in a process called Secretion. UREA is also released into the blood stream and to the tubes, after being broken down by the LIVER. All waste mixes with the filtrate to form urine.

Urine is collected in a duct, and passed out of the kidney in the ureter and the excreted from the bladder.

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Beginning at the synapse of a neuron, place the events in neuronal signaling in the correct sequence. 1. Ion channels bind the l
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Explanation:

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  • Acetylcholinesterase breaks down acetylcholine (3): Acetylcholinesterase is an enzyme that breaks down the neurotransmitter so it causes the inactivation of acetylcholine into acetic acid and choline.
  • Na ion channels close (6):  Na channels open and close according to different signals. The peak voltage causes them to close, and potassium channels open. So sodium ions stay inside the cell while potassium ions move outside of it. When this happens, repolarization (change in membrane potential that retunrs it to a negative value) takes place. Potassium channels remain open after the potential reaches the resting level causing hyperpolarization (the membrane potential becomes more negative) and it alters the ability of certain of ions to enter the cell.  At the end, the cell has more K+ ions on the outside.
  • Na is pumped out of the cell, and the membrane potential is restored (2): The sodium-potassium pump moves sodium ions to the outside and potassium ions to the inside.
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