With Age, Older Adults' Hearts Experience Cell Loss and Become

question 9

True/False

With age, older adults' hearts experience cell loss and become more rigid, resulting in heart pounding and taking longer to catch their breath after physical activity.

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Definitions:

Trigger Hairs

Sensitive structures found in some carnivorous plants that detect the presence of prey, initiating a response such as closing the trap.

Intercellular Signals

Chemical or physical signals exchanged between cells, allowing them to communicate and coordinate activities.

Proto-Neurons

Hypothetical precursors to neurons, proposed to be the initial steps in the evolution of the nervous system in early animals.

True Nervous System

A complex network of nerve cells and structures responsible for coordinating and processing sensory and motor information in an organism.