State two functions of:

(i) Two functions of Ear:

1. Hearing
2. Balancing

(ii) Two functions of Ethylene:

1. Acceleration of senesence
2. Ripening of fruits

(iii) Two functions of Tears:

1. Lubrication
2. Antibacterial due to presence of lysozyme

(iv) Two functions of Testis:

1. Sperm formation (spermatogenesis)
2. Production of Testosterone

(v) Two functions of Cerebellum:

1. Maintain balance of the body.
2. Coordinate muscular activity.