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Circulation and Gas Exchanged - Osmoregulation and Excretion…
Circulation and Gas Exchanged - Osmoregulation and Excretion
Circulation
Blood
Pressure
normal reading is 120/80 systolic/dia
Arteries
Carry blood away from heart to organs
Veins
Carry blood to heart
Capillaries
Exchange blood and intestinal fluid
Contruction/dilation of arteries adopen
Open for vasodialation to increase white blood cells
Components
Leukocytes- White blood cells
Plateles-Clogs blood
Erythorocytes-red blood cells
Lymph Circulation
Fluid return called lymph
Fluid then into veins joining the cardiovascular system
If movement of fluid is disrupted, fluid accumulate which can have severe results.
Closed Circulatory System
Fluid called blood
Open Circulatory system
Fluid called hemolymph
Gas Exchange
Breathing
Muscles Involved
Diaphragm-Responsible for breathing
Intercostal muscle-between ribs helps enlarge the chest
Pressure
Negative
Pulling air into the lungs using muscle contraction
Positive
Inflating lungs with forced airflow.
Respiratory Organ
Specialized Structures
Trachea
Windpipe
Bronchi
Air ducts to lungs
Larynx
Upper part of respiratory track
Alveoli
Gas exchange occurs here
Osmoregulation
Osmosis
Fluid (water) passes through semipermeable membrane into a solution with solvent with higher concentration. equalizer
The process to help regulate fluids like water in your body.
Fresh Water Animals
Get rid of Salt
Always peeing
Marine Animals
Get rid of water
Pee less to conserve water
Organisms that produce
Amonia
Toxic- produced by most fish
Urea
Produced by mammals-Not as toxic- consumes lots of energy for high metabolism organisms.
Uric Acid Wastes
Birds and Reptiles-Very Acidic, not toxic.
Excretion
Organs
Large intestine
Removes decomposed hemoglobin, some drugs, excess vitamins, sterols and other lipophilic substances.
Liver
Detoxifying organ especially nitrogenous wastes.
Kidney
Filter blood and urine
Skin
Secondary excretory organ- removes salts and excess water through sweat glands.
Lungs
Remove carbon dioxide built up in your blood.
Neurons
Parts
Capsule
it enhances the ability of bacteria to cause disease
Glomorulus
Basic filtration of kidney
Loop
Piece of a code that runs looking for false conditions