muscular system

Question 1

what make up our muscles?

Answer 1

stretchy fibers

Question 2

what different things do muscles play a role in?

Answer 2

breathing, speaking and swallowing,
digesting food and getting rid of waste,
moving sitting still and standing up straight,
pumping blood through the heart and blood vessels,
pushing a baby through birth,
seeing and hearing.

Question 3

what system helps move your muscles voluntarily?

Answer 3

somatic nervous system

Question 4

what systems help your muscles move involuntarily?

Answer 4

digestive system or cardiovascular

Question 5

what are the 3 types of muscles?

Answer 5

skeletal, smooth and cardiac.

Question 6

what are skeletal muscles?

Answer 6

they are attached to bones and responsible for voluntary movements.

Question 7

what activities do skeletal muscles allow us to perform?

Answer 7

walking, running, lifting weights, and facial expressions.

they provide support, movement and posture

Question 8

what are skeletal muscles attached to the bone by?

Answer 8

tendons

Question 9

where are smooth muscles found?

Answer 9

in the walls of various organs and structures throughout the body.

Question 10

is smooth muscles controlled by voluntary or involuntary movement?

Answer 10

involuntary.

Question 11

what examples are smooth muscles used involuntary?

Answer 11

such as peristalisis (wave movements) in the digestive system
constriction or dilation of the blood vessels
movement of substances through the bladder, uterus and intestines.

Question 12

what is the appearance of smooth muscles?

Answer 12

smooth or non striated.
contain a single nucleus per cell and arranged in sheets and layers.

controlled by the autonomic nervous system

Question 13

where is cardiac muscle found?

Answer 13

in the heart

Question 14

what is the cardiac muscle responsible for?

Answer 14

the continuous pumping that propels blood throughout the body

Question 15

what is the appearance of cardiac muscles and how is it regulated

Answer 15

it is striped like skeletal muscles and it is involuntary regulated by the autonomic nervous system.

cardiac muscles have single nucleus but possess specialised structures called intercalated discs allowing for electrical signals to pass between the cardiac muscle cells coordinating contractions

Question 16

what conditions affect the muscles?

Answer 16

cancer, cardiovascular disease, chronic pain disorders, genetic disorders, infections, injuries and medications

Question 17

what do muscles work in coordination with?

Answer 17

bones, tendons and ligaments to enable movements

Question 18

how do muscles work together to help posture and stability?

Answer 18

they prevent muscle imbalence and injuries by working with the spine pelvis and other skeletal structures for a upright position

Question 19

how do muscles provide heart production?

Answer 19

when muscles contract they produce heat as a byproduct for energy metabolism. this heart is important for maintaining heat production

Question 20

how do muscles provide protection and support?

Answer 20

for example the muscles of the abdominal wall protect the organs in the abdominal cavity while the muscles of the chest wall protect the lungs and heart.
muscles also provide support to the joints, preventing excessive stress or strain on the bone or ligaments

Question 21

how do muscles play a role in regulating metabolism?

Answer 21

regular exercise and muscle building activities can help increase muscle mass which in turn can contribute to a higher metabolic rate. meaning muscles burn calories even at rest

Question 22

how do muscles help with blood circulation?

Answer 22

smooth muscle found in the walls of blood vessels help regulate blood flow and blood pressure by constricting or dilatating the vessels. when smooth muscles contract, blood vessels narrow increasing resistance and blood pressurre