Body Systems

What the biggest part of the brain?

What are the parts of the nervous system? The BRAIN and the

• White Blood Cells

• Heart

• Muscles

• Spinal Cord

Answer explanation

On average, your spinal cord stops growing at 4 years old. Your spinal cord, which consists of a bundle of nervous tissue and support cells, is responsible for sending messages from your brain throughout your body.

What gland is responsible for growth?

• Thyroid Gland

• The Pancreas

• The Pituitary Gland

What is bigger, the cerebrum or cerebellum?

• Cerebrum

• Cerebellum

The cerebellum (of the brain) is responsible for:

• Balance, Posture, Coordination

• Speaking, Listening

• Thinking, Reasoning

• Breathing

Answer explanation

Your brain isn't fully formed until age 25. Brain development begins from the back of the brain and works its way to the front. Therefore, your frontal lobes, which control planning and reasoning, are the last to strengthen and structure connections.

What part of the brain is responsible for vital functions, like breathing?

• Cerebrum

• Brain Stem

• Cerebellum

• Amygdala

Answer explanation

The human brain weighs 3 pounds. (That’s about as much as a half-gallon of milk.)

Voluntary muscles work automatically.

• True

• False

The two types of involuntary muscles are

• smooth and skeletal

• cardiac and skeletal

• smooth and cardiac

• There is only one group of involuntary muscles.

Skeletal muscles are

• voluntary muscles

• involuntary muscles

The endocrine system is made up of glands that release hormones into the blood.

• True

• False

Answer explanation

The largest gland in the body is the Pancreas, which produces insulin (a hormone)

Tags

NGSS.MS-LS1-3