Muscular System voluntary muscles muscles that can be controlled with the mind – involuntary muscles These don’t need the brain to send them – messages. You can’t control them. Three types of muscles: Smooth Muscles involuntary muscle that are in sheets or layers with – one layer of muscle behind the other. Examples - Your stomach muscles work to digest your food. The muscles in your eyes keep the eyes focused. The muscles at the bottom of the hairs on your arms will make your hairs stand up when you are cold. Cardiac Muscle heart works to pump blood throughout your body. – – Your heart is an involuntary muscle. Skeletal Muscles voluntary muscles that help you kick a ball, left a – pencil, etc.
Muscular System voluntary muscles – muscles that can be controlled with the mind involuntary muscles – These don’t need the brain to send them messages. You can’t control them. Three types of muscles: Smooth Muscles – involuntary muscle that are in sheets or layers with one layer of muscle behind the other. Examples - Your stomach muscles work to digest your food. The muscles in your eyes keep the eyes focused. The muscles at the bottom of the hairs on your arms will make your hairs stand up when you are cold. Cardiac Muscle – heart – works to pump blood throughout your body. Your heart is an involuntary muscle. Skeletal Muscles – voluntary muscles that help you kick a ball, left a pencil, etc.
Body%20Systems%20Notes2.docx