The Skeletal System and Muscular System_1

What is the main function of the skeletal system?

• a) Providing protection

• b) Assisting in movement

• c) Producing blood cells

• d) All of the above

This is a picture of what? (choose the answer that is most complete)

• robot
• skeleton
• ulna
• vertebrate

Tags

NGSS.MS-LS1-3

NGSS.MS-LS4-2

This is a picture of what? (choose the answer that is most complete)

• robot
• skeleton
• ulna
• vertebrate

Tags

NGSS.MS-LS1-3

NGSS.MS-LS4-2

The functions of the skeletal system are:

1. The skeleton gives ​ (a)   to our body.

2. It ​ (b)   the soft internal organs:

(i) The ​ (c)   protects the brain.

(ii) The ​ (d)   protects the heart and the ​ (e)   .

(iii) The backbone protects the spinal cord. 3. It allows the movement of different body parts. 4. Many bones in our body are hollow. They are filled with a jelly-like substance called bone marrow. Blood cells are made in the bone marrow.

• shape and support
• protects
• skull
• rib cage
• lungs

The functions of the skeletal system are:

1. The skeleton gives shape and support to our body.

2. It protects the soft internal organs:

(i) The skull protects the brain.

(ii) The rib cage protects the heart and the lungs.

(iii) The ​ (a)   protects the spinal cord.

3. It allows the ​ (b)   of different​ (c)   parts.

4. Many bones in our body are ​ (d)   .

They are filled with a jelly-like substance called ​ (e)   . Blood cells are made in the bone marrow

• backbone
• movement
• body
• hollow
• bone marrow

Skeletons, exoskeletons, and scales all provide ​ (a)  

• protection
• camouflage
• life
• energy
• food

How many bones are in an adult human's body?

• 206

• 168

• 542

• 337

How many bones does a newborn baby have?

• a) Less than 100

• b) Approximately 206

• c) More than 300

• d) Exactly 400

What happens to the number of bones as a baby grows into adulthood?

• a) The number of bones decreases

• b) some of the cartilage gradually hardens and fuses together, forming larger bones

• c) The number of bones remains the same

• d) The number of bones varies greatly

What are bones made up of?

• a) Organs

• b) Muscles

• c) Tissues

• d) Ligaments