Study samples Quiz

What is the primary function of the male sex cells (sperm) in the reproductive system?

• To undergo initial mitotic division in fallopian tubes.

• To fertilize the female sex cell (egg) forming a zygote.

• To carry oxygen to the body's tissues.

• To extract waste from air.

Which part of the respiratory system is responsible for the exchange of gases?

• Diaphragm

• Bronchi

• Alveoli

• Trachea

What is the function of the umbilical cord in the reproductive system?

• To provide the fetus with nutrients and remove waste.

• To initiate cell division and growth.

• To produce male sex cells.

• To extract oxygen from the air.

What is the primary function of the kidneys in the urinary system?

• To store waste water (urine) until removal from body.

• To destroy old organelles and dangerous substances.

• To make new proteins, which direct most cellular activity.

• To filter all blood in body and return clean chemicals and extra water from body to bloodstream.

What is the role of the ribosome as described in the section on cells?

• It transports proteins to other parts of the cell.

• It makes new proteins, which direct most cellular activity.

• It stores proteins.

• It destroys old organelles and dangerous substances.

How many bones does the adult human body have, according to the skeletal system section?

• 206

• 33

• 300

• 600

What is the primary function of the immune system?

• To produce white blood cells

• To fight disease

• To trap bacteria in food

• To release histamine

Which type of muscle is only found in the heart under constant involuntary control?

• Skeletal/striated

• Smooth/visceral/involuntary

• Cardiac/myocardium

• Voluntary

What is the role of lymph nodes in the immune system?

• To carry messages between the brain and the rest of the body

• To produce histamine

• To produce lymphocytes, a type of white blood cell

• To destroy intruders or foreign particles

How does the nervous system interpret sound?

• By recognizing smells

• By detecting changes in light

• By sending signals to the brain

• By releasing histamine