Which statement is not true?
1.Carbon dioxide is more soluble in fluid than in oxygen.
2.Carbon dioxide diffuses more rapidly across the respiratory surface than oxygen does.
3.The major muscle involved in breathing is the diaphragm.
4.Oxygen is carried primarily by blood plasma.
5.Carbon dioxide is carried by the blood plasma.
4
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The olfactory receptors discovered by Richard Axel and Linda Buck are members of a large family of similar receptor molecules termed
A. G-protein coupled receptors. B. ligand-gated ion channels. C. voltage-gated ion channels. D. intracellular receptors. E. serine/threonine proteases.
A bride-to-be is enjoying a manicure and a facial before her hair is styled for the wedding. What organ system is being pampered?
A. lymphatic system B. integumentary system C. endocrine system D. digestive system Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about the skin, hair, and nails? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Marathon runners can lose a great deal of Na+ through sweat. Some runners compensate by drinking large quantities of water. In extreme cases, this causes mental confusion and loss of muscle coordination. What is happening to the neurons of such a runner?
What will be an ideal response?
Fungi reproduce only asexually
Indicate whether the statement is true or false