Bio 2 Structural Systems Review

Match the correct description to the term.

• Hinge

• allows bone to turn around another bone; neck

• Pivot

• allows one bone to slide in 2 directions; thumb

• Saddle

• joints that allow back and forth motion; elbow or knee

• Immovable joint

• joints that are fused together like the skull

• Ball & Socket

• joints that allow movement in many directions; hip or shoulder

Match the correct description to the term.

• cells that break down mature bone allowing bone repair

• Sebaceous glands

• cells that produce melanin

• Joint

• where 2 bones meet

• Osteoblasts

• produces oils; found in the dermis

• Osteoclasts

• cells responsible for bone tissue formation and bone growth

• Melanocytes

Tags

NGSS.MS-LS1-3

Tendons hold joints (bones) together.

• True

• False

Answer explanation

Remember: Tendons hold muscle to bones while ligaments hold bones together, usually at a joint.

Muscles contract in (a)   direction(s).

• 1
• 2

• 3

• 4

This type of muscle tissue is usually found in the internal organs.

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• Striated muscle

One purpose of hair is to filter out dirt from your body.

• True

• False

Ossification is

• the process of soft baby tissue getting old and hardening

• the process of stem cells forming bone tissue

• the process of bone marrow forming blood cells

• the process of cartridge being replaced with mineral deposits and hardening into bone

30. Blood cells are made

• by the cardiac muscles.

• by white blood cells.

• in the bone marrow.

Tags

NGSS.HS-LS1-4

One purpose of muscles is to move the skeleton.

• True

• False

Which of the 3 common skin cancers spreads quickly and readily spreads to other parts of the body?

• Basil cell carcinoma

• Squamous cell carcinoma

• Melanoma