___________ Are Responsible for Sending and Receiving Messages Throughout the Body

question 13

Multiple Choice

___________ are responsible for sending and receiving messages throughout the body.

• A)Glial cells
• B)Neurons
• C)Neurotransmitters
• D)Dendrites

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Definitions:

Cardiac Muscle Fiber

A type of involuntary striated muscle found in the walls of the heart, enabling it to contract and pump blood throughout the body.

Striation

A series of ridges, furrows or linear marks, often found in muscle tissues or rocks.

Ligamentum Arteriosum

A small ligament that is a remnant of the ductus arteriosus, connecting the pulmonary artery to the descending aorta in the fetal circulation system.

Fossa Ovalis

The fossa ovalis is an anatomical feature of the heart, a depression in the right atrium wall, marking the spot where an opening, the foramen ovale, existed in the fetal heart.