Skeletal and Muscular System

The skeletal system does all of the follow except...

• produce red blood cells

• protect organs

• stores calcium and minerals

• get rid of waste

A place in the body where two or more bones connect.

• Spongy Bone

• Red bone marrow

• Compact bone

• Joint

Connects bone to bone

• Cartilage

• Ligaments

• Tendons

• Involuntary muscle

Which best describes how the muscular system impacts movement of the human body?

• When a muscle expands, it pulls on the bone it is connected to and the bone moves.

• When a muscle contracts, it pulls on the bone it is connected to and the bone moves.

• When a muscle contracts, it pushes on the bone it is connected to and the bone moves.

• When a muscle expands, it pushes on the bone jit is connected to and the bone moves.

Tags

NGSS.3-PS2-1

Strong band of tough tissue that attach muscle to bone

• Cartilage

• Ligaments

• Tendons

• Involuntary muscle

A connective tissue that is more flexible than bone and that protects the ends of bones and keeps them from rubbing together.

• Cartilage

• Ligaments

• Tendons

• Muscles

Muscles that are not under your conscious control. Responsible for activities such as breathing, digesting food and your heart beating.

• Involuntary Muscles

• Voluntary Muscles

A muscle that is attached to the bones of the skeleton by tendons and provides the force that moves the bones. Can be voluntary or involuntary.

• Involuntary Muscles

• Voluntary Muscles

• Skeletal Muscles

Characteristics in common with both smooth and skeletal muscles, involuntary, does not get tired and controls heartbeats.

• Smooth Muscle

• Skeletal Muscle

• Cardiac Muscle

A muscle that is involuntary and found in walls of internal organs such as a stomach and intestines and bladder and blood vessels.

• Smooth Muscle

• Skeletal Muscle

• Cardiac Muscle