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Identify structures #11 _______ Identify cell#12 _______

Explain why only a few carnivores can be supported by a food chain.

True/False.  The right side of the heart contracts first & then the left side of the heart contract

Pulmonary circulation involves blood flow to and from the heart and the ________.

Red blood cell production is regulated by the hormone ____that is secreted in the ____

Define autotroph

Identify cell labeled 9 _______ Identify structure 10 _______

The first heart sound (“lub”) is heard when the

Blood type ____ is considered the universal donor; whereas blood type ___ is considered the universal recipient.

The cardio-acceleratory center activates sympathetic neurons and the cardio-inhibitory center controls parasympathetic neurons.