Unit 1 Plants and humans as organisms

Root hair:

• enable elongation of a root.

• produces oxygen in the process of photosynthesis.

• absorbs water and minerals from soil.

What is the term for the control center for the entire body that sends signals from throughout the body to the brain?

• circulatory system

• digestive system

• nervous system

• respiratory system

What organ system are blood vessels part of?

• digestive system

• circulatory system

• nervous system

• respiratory system

What organ system are the small and large intestine part of?

• digestive system

• circulatory system

• nervous system

• respiratory system

What organ system is the spinal cord part of?

• digestive system

• circulatory system

• nervous system

• respiratory system

What is the name of the bone in red? It is the longest bone in the body. It is also the hardest bone to break.

• Humerus

• Ulna

• Femur

• Tibia

Please name the bone in red. It is the most commonly broken bone in the body. It is also the only long bone that runs horizontally in the body.

• Clavicle

• Scapula

• Sternum

• Humerus

What is the name of this joint?

• Ball and socket joint

• Fixed joint

• Hinge joint

What is the slippery surface that cover the bones?

• synovial membrane

• ligament

• synovial fluid

• cartilage

Muscles pull on _______ to help you move.

• Body parts

• Bones

• Other muscles