A runner is breathing deeper and faster. Write a short text explaining the physiological mechanisms in his body that lead to this condition. Use this word bank: muscles -respiration-oxygen- glucose-energy-a lot-
faster-heart beats).

organisms that lack symmetry are called asymmetrical and belong to phylum porifera/sponges.

organisms with specialized stinging cells belong to phylum cnidaria. stinging cells are called cnidoblast cells.

cnidarians show two morphological forms : polyp (sessile) and medusa (mobile)

filter feeding is observed in porifera members.  

alternation of generation is observed in coelenterata or cnidaria. there is alternation of asexual polyp form and sexual medusoid form. it is also referred as metagenesis.

voluntary muscles are controlled by the cerebellum.

it's d - life cycles - apex