Answer:
Three types of muscles are the cardiac muscles, smooth muscles, and the skeletal.
an example of a cardiac muscle muscles that contract the heart to pump blood. this heart muscle is a striped muscle in the walls of the heart. it is involuntary meaning a person cannot control it consciously.
an example of a smooth muscle is muscle tissue which is used by various systems to apply pressure to vessels and organs. this muscle is also involuntary and are usually in sheets or layers. your brain and body tell these muscles what to do without you even thinking about it.
an example of skeletal muscle are your biceps, deltoids, or even pectoralis. this muscle is called striated, meaning long or streak like, because the light and dark parts of the muscle fibers make them look striped(striated). these muscles are voluntary, which means they can control what you do.
The chemicals that helps us digest food are called enzymes.
Weathering is process in which the rock breaks down into due to physical and chemical processes. It leads to wearing and tearing in the rocks. Weathering can be of three types physical weathering, chemical weathering and biological weathering.
Thermal stress weathering or insolation weathering occurs in places where there is a large change in daily temperatures. It causes the peeling off of the outer layer of the rocks.
Answer:
true
The smaller the load a river has the more sediment it can carry. TRUE.
Genes are located in the same location on homologous chromosomes.
