Cells of the human body exhibit three main types of movements, namely, amoeboid, ciliary and muscular.
Which of the following statements regarding different types of movements in the human body are correct? S1: Amoeboid movement is characteristic of macrophages and leucocytes, involving pseudopodia formed by streaming of protoplasm. S2: The passage of ova through the female reproductive tract is facilitated by coordinated muscular contractions of the smooth muscles lining the tract. S3: Ciliary movement in the trachea helps in removing dust particles and foreign substances inhaled with air. S4: Limb, jaw, and tongue movements in humans are examples of amoeboid movement due to their voluntary nature. S5: Cytoskeletal elements such as microfilaments are crucial for amoeboid movement.
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