surf life saving human body

the heart is the central organ for the circulation of blood and consists of 4 chambers, what are these chambers?

• Left Ventricle,

  Left Atrium,

  Right Ventricle,

  Right Atrium

• Left Aorta, Right Artery,

  Right Aorta,

  Left Artery

in the musculoskeletal system what connects muscle to bone?

• ligaments

• bones

• muscles

• tendons

How many sections is the spinal column divided into

• 3

• 5

• 6

• 4

The nervous system is made up of three sections, the central nervous system, the breathing control centre and the (a)  

The skin is the second largest organ of the body

• true

• false

The skin produces what vitamin

• vitamin D

• vitamin E

• vitamin C

with the breathing process, the air we breathe has how much oxygen content?

• 11%

• 31%

• 41%

• 21%

how many sections does the respiratory system have?

• 3

• 2

• 4

• 6

with the musculoskeletal system, what is the purpose of muscles?

• create movement

• protect bones

• connects bone to bone

the circulatory system consists of...

• Heart, blood vessels,

  blood

• Heart, blood

• heart, veins, blood

• heart, arteries, veins, blood