Human Body 2nd Grade

What helps us maintain our postures and move our bodies?

• the heart

• the skeleton

• the lungs

• the stomach

Which organ helps us think and controls learning and emotions?

• the heart

• the lungs

• the brain

• the stomach

When we breathe, we inhale oxygen and exhale ________.

• carbon dioxide

• oxygen

• carbon monoxide

• air

One function of the stomach is to _________.

• move blood around the boy

• take in oxygen

• help us think

• break down food

Tags

NGSS.MS-LS1-3

Our bones work together with our _________ to help us move.

• heart

• stomach

• muscles

• lungs

Our bones are connected by _________.

• ligaments

• joints

• our skeleton

• our spine

Blood flows into and out of our hearts through our ________ and _______. Choose TWO!

• lungs

• arteries

• stomach

• veins

True or False.

Our muscles can pull, but they cannot push.

• True

• False

Which TWO movements are involuntary?

• moving our arms and legs

• blinking

• breathing

• making a fist

Our heart is mainly responsible for ________.

• helping our brains get stronger.

• pumping blood into our brains.

• pumping blood throughout the body to deliver oxygen.

• helping our muscles get stronger.