In addition to the nervous system, which vertebrate organ system controls physiological processes in animals?
A) Skeletal
B) Muscular
C) Respiratory
D) Reproductive
E) Endocrine
E
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Ventilation _________ involves breathing air into the lungs call and breathing air out of the lungs called expiration.
Fill in the blank(s) with the appropriate word(s).
What is the purpose of the cartilage rings in the trachea?
A) to prevent food from passing into the trachea B) to assist with contracting the trachea C) to produce mucus to trap debris D) to keep the trachea open
Ventilation includes which of the following
A) transport of gases from tissues to lungs B) transport of gases from lungs to tissues C) inspiration D) expiration
Of the following sequences, which one reflects the best scientific knowledge about the succession of Homo species from the past until the present?
A. Homo sapiens ? Homo heidelbergensis ? Homo habilis ? Homo erectus B. Homo heidelbergensis ? Homo habilis ? Homo sapiens ? Homo erectus C. Homo heidelbergensis ? Homo sapiens ? Homo erectus ? Homo habilis D. Homo habilis ? Homo erectus ? Homo heidelbergensis ? Homo sapiens E. Homo habilis ? Homo heidelbergensis ? Homo erectus ? Homo sapiens