What molecules/structures are filtered into the nephron at the glomerulus, and what remains behind in the blood.
What will be an ideal response?
Answer: Water and all small molecules, including most ions, nutrients and toxins are filtered into the nephron. Large molecules (proteins) and cells remain in the blood, along with molecules which are bound to the plasma proteins (e.g. Ca++ and fatty acids).
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The two components of the integumentary system are the
A) epidermis and dermis. B) cutaneous membrane and hypodermis. C) cutaneous membrane and accessory structures. D) integument and hypodermis. E) epidermis and superficial fascia.
Which of the following is the most important excitatory neurotransmitter in the brain that is important in learning and memory?
A) glutamate B) gamma aminobutyric acid C) serotonin D) noradrenaline E) glycine
All of these structures can be identified in the ventricles except:
A. trabeculae carneae. B. papillary muscles. C. pectinate muscles. D. chordae tendineae.
The physical movement of air into and out of lungs is termed
A) external respiration. B) internal respiration. C) cellular respiration. D) pulmonary ventilation. E) gas diffusion.