Fill in the blank the structure of a muscle, several fascicles lie bundled together to form a muscle, just as several lie together to form compact bone tissue. Each muscle fiber, which is a muscle cell, consists of protein fibers. Similarly, the matrix that lies outside bone cells consists of a protein fiber called .

1. bone cells 2. ligaments 3. osteons

1. actin 2. collagen 3. myosin

Florian discovers a rock that is broken into pieces. each piece has several bands. which type of rock does florian predict these pieces will change into when subjected to heat and pressure? igneous magma metamorphic sedimentary

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

The steps in the formation of extrusive igneous rocks are listed below in an incorrect order: 1. rock melts due to high temperature. 2. rock is buried deep under earth's surface. 3. magma is forced out of earth's surface during volcanic eruption. 4. lava cools and crystallizes to igneous rock. which of these best shows the correct order of steps in the formation of extrusive igneous rocks? 1, 3, 4, 2 2, 1, 3, 4 3, 4, 2, 1 4, 2, 1, 3