Write the differences between:
(a) Blood and Lymph
(b) Open and Closed system of circulation
(c) Systole and Diastole
(d) P-wave and T-wave

Write two differences between: B cells and T cells

What is the difference between a sound wave and a T. V. wave ?

Differentiate between P wave and T wave

Write the difference between the propagation of sound and light waves.

Differentiate between Open and Closed circulatory system.

Difference between systolic and diastolic blood pressure is

Difference between systolic and diastolic blood pressure is

Two waves, each having a frequency of 100 Hz and a wavelength of 2.0 cm, are travelling in the same direction on a string. What is the phase difference between the waves (a) if the second wave was produced 0.015 s later than the first one at the same place, (b) if the two waves were produced at the same instant but the first one was produced a distance 4.0 cm behind the second one ? (c) If each of the waves has an amplitude of 2.0 mm, what would be the amplitudes of the resultant waves in part (a) and (b) ?

Differentiate between B-cells and T-cells of the immune system. How do the B-cells respond to antigens?

Differentiate between (a) Open circulatory system and closed circulatory system. (b) Oviparous and viviparous characteristic. (c ) Direct development and Indirect development.