A Practical Course in Biology by W. Belfield, M. Dearden and G. L. Watt (Auth.) PDF

By W. Belfield, M. Dearden and G. L. Watt (Auth.)

ISBN-10: 0080161057

ISBN-13: 9780080161051

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The frog is held in position wrapped in a cloth. Care must be taken, however, not to hold the animal too tightly. The tail of a 38 3. THE MAMMAL tadpole provides another place for seeing the movement of blood. It can be held and kept alive under the microscope by using the same technique as for the fish above. A time limit of only a minute or two should be observed in this case, however. Exercise demonstrating the effects of capillary tube in smoothing out varying pressure, as in a blood system Set up the apparatus as in Fig.

There are immovable joints such as those between two skull bones : an immovable joint is termed a synarthrosis. Movable joints include the ball-and-socket type, as in the case of the head of the humérus and the glenoid cavity of the pectoral girdle ; the hinge type, as where the distal region of the humérus meets the sigmoid notch of the radio-ulna; and the plane type, as where the carpals of the wrist slide against one another. A movable joint is called a diarthrosis. Where bones abut on one another, especially in the movable joints, they are surfaced by cartilage.

THE MAMMAL tadpole provides another place for seeing the movement of blood. It can be held and kept alive under the microscope by using the same technique as for the fish above. A time limit of only a minute or two should be observed in this case, however. Exercise demonstrating the effects of capillary tube in smoothing out varying pressure, as in a blood system Set up the apparatus as in Fig. 13 with the spring clamp released. The vertical glass tubes should be between 300 mm and 650 mm long.

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A Practical Course in Biology by W. Belfield, M. Dearden and G. L. Watt (Auth.)


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