Primitive origins of the respiratory-heart rate relationship: respiratory heart relationship in an elasmobranch.
1970
J F Amend, and
H E Hoff, and
N K Amend
UI
MeSH Term
Description
Entries
D012119
Respiration
The act of breathing with the LUNGS, consisting of INHALATION, or the taking into the lungs of the ambient air, and of EXHALATION, or the expelling of the modified air which contains more CARBON DIOXIDE than the air taken in (Blakiston's Gould Medical Dictionary, 4th ed.). This does not include tissue respiration (
Breathing
D005075
Biological Evolution
The process of cumulative change over successive generations through which organisms acquire their distinguishing morphological and physiological characteristics.
Evolution, Biological
D006339
Heart Rate
The number of times the HEART VENTRICLES contract per unit of time, usually per minute.
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.
Animal,Metazoa,Animalia
D012754
Sharks
A group of elongate elasmobranchs. Sharks are mostly marine fish, with certain species large and voracious.