To Coordinate the Contraction of the Numerous Muscle Cells That

question 37

Multiple Choice

To coordinate the contraction of the numerous muscle cells that form the heart, signals must travel rapidly between muscle cells. In order to allow this rapid communication, muscle cells in the heart are connected by

• A)tight junctions.
• B)gap junctions.
• C)anchoring junctions.
• D)carrier proteins.

---

Definitions:

10% More

Indicates an increase or addition of ten percent to a given number or value.

7% Less

A reduction by seven percent from a previous amount or value.

Standard & Poor's 500

An American stock market index based on the market capitalizations of 500 large companies having common stock listed on the NYSE or NASDAQ.

Stock Index

A statistical measure that shows changes in the stock market by tracking selected stocks' prices.