X Exlemal environments of cels can be nypotonic. hypertonic or isotonic to intemai environments of the body Y Internal environments of the cel can be hypolonic. ypertonic, or isotonkc lo exdemal envronments of the body

In muscle, calcium moves from the cytoplasm to the sarcoplasmic reticulum by O active transport, ion channels using diffusion, pumps O diffusion, ion channels active transport, pumps

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The primary difference between plasma and intracellular fluid, is that Intracellular fluid has a higher Na concentration O Plasma has a higher Ca concentration O Intracellular fluid has a higher protein level OPlasma has significantly more nitrates

How does uniport transport (facilitated diffusion) compare with simple diffusion? O Uniport transport is much faster and more specific than simple diffusion O Uniport transport consumes energy but simple diffusion does not O Uniport transport is slower but more specific than simple diffusion Similar to simple diffusion, uniport transport is nonspecific O None of the other are correct

THE HUMAN BODY1. Identify the six levels of structural organization that make up the body, and explain how they arerelated.2. What are the five survival needs of the human body? Briefly explain each.3. Explain the following termsa. Homeostasisb. Negative feedback mechanismc. Positive feedback mechanism4. Briefly describe each of the following terms related to membrane transporta. Selective permeabilityb. Simple diffusionc. Facilitated diffusiond. Osmosise. Active transportf. Passive transportg. Exocytosish. EndocytosisMUSCLE ACTIVITY, CONTRACTION, and MOVEMENT1. What are the five major functions of muscles in the body?2. What are the three types of muscle tissues and how do they differ anatomically?3. What are the actin and myosin? What are their roles in muscle movement?REFERENCES:

Why do cells of thenephron tubules present agreat amount ofmitochondria?

View Acrobat Q Tell me A A Aa v Ao 11 - ab x, x A A v 三===|m。|av田。 Styles Styles Pane Dic. Identify the following as Active or Passive transport. (A. Active B. Passive) 1. Diffusion 2. Requires energy 3. Facilitated transport 4. Movement against concentration gradient Match the following tonicities with the correct description 5. Water concentration equal to that of the cell A. Hypertonic B. Isotonic 6. Solute concentration greater than the cell C. Hypotonic 7. Causes turgor pressure in plant cells 8. Net Movement of water into the cell

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