Which of the following represents the correct flow of air into the lung of a mammal?

a. larnyx → trachea → bronchi → bronchioles → alveoli
b. alveoli → tracheoles → bronchi → trachea
c. trachea → bronchioles → bronchi → alveoli
d. trachea → tracheoles → bronchi → alveoli

I believe the answer would be A.

The flow is larynx, trachea, bronchi, bronchioles, alveoli

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.

the answer will be a) proteins i believe