Which of the following is not a part of the respiratory system?

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

Which animal is a producer in this ecosystem