Human Body Systems Regents Prep

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

A woman is in her 9th month of pregnancy. She makes the statement, "My water broke!" What does this statement mean?

• Her placenta is leaking

• Her bladder is leaking

• Her amniotic sac has ruptured

• She has started menstruating

What is the function of A & B?

• A - transport gametes (eggs)

  B - Produce eggs

• A - produce eggs

  B - transport gametes (eggs)

• A - transport gametes (sperm)

  B - produce sperm

• A - produce sperm

  B - transport gametes (sperm)

Which part of the skeletal system protects the spinal cord?

• pelvis

• cranium/skull

• vertebra

• scapula

Alveoli are microscopic air sacs in the lungs of mammals.  Which statement best describes how the structure of the alveoli allows the lungs to function properly?

• they increase the amount of energy transferred from the lungs to the blood.

• they increase the flexibility of the lungs as they expand during inhalation

• they increase the volume of the lungs, allowing more oxygen to be inhaled

• they increase the surface area of the lungs, allowing efficient gas exchange

Bile is produced by the

• gallbladder
• liver
• stomach
• pancreas

The organ within the circulatory system that allows for the diffusion of materials between all other tissues of the body is the...

• heart

• artery

• capillary

• vein

This is a tissue that connects the ends of bones together to form a joint...joins bone to bone

• tendon

• nerve

• epithelial

• ligament

This chamber of the heart RECEIVES blood returning from the body

• Right Atrium
• Right Ventricle
• Left Atrium
• Left Ventricle