Relationships Among Organisms Answers

Sound can be heard when air passes over a respiratory structure that is located between the pharynx and the trachea.Which structure is responsible for the voice?

Which best describes the vulva?

Heather presented to her class a report about the pancreas. Which statement in Heather’s report was not accurate?

Which organs are responsible for producing fluid to give sperm nourishment and motility?

A team of scientists is working to formulate a drug that can treat children who are diagnosed with gigantism. Which effect should the drug have on patients?

In which structure of the female reproductive system are eggs produced?

Which is the temporary storage tank for urine?

What day is considered to be the first day of a female’s reproductive cycle?

Which is an immune response?

Which type of barrier are coughing and sneezing?

Leukopenia is a condition characterized by a decrease in white blood cells. What effect does leukopenia have on the body's ability to fight infection?

Which blood component makes up 41% of the blood’s volume?

PeristalsisSalivationDigestionSecretion

Which best describes the testes?

Which of the following describes the epididymis?

What does the immune system protect the body against?

What would cause antibodies to attack the cells of the body?

High blood pressure occurs when there is too much blood flowing through the blood vessels at one time. By changing the amount of water in the blood, blood pressure can change. The excretory system can help to lower blood pressure.Which would most likely occur in the kidney?

The picture represents a protein in the stomach being broken down into individual amino acids.

Which causes a drop in female hormone levels?

Which of the following describes a negative feedback loop?

The graph shows the changing levels of hormones during menstruation and ovulation. In general, what happens to the hormone levels between days 21 and 27, just prior to menstruation if the egg was not fertilized?

Which product of respiration is considered waste material and leaves the alveoli?

Which of the following statements best describes the role of hormones in the body?

Veins take blood back to the heart. Which gas would be most abundant in a vein that takes blood from muscle cells in the arm back to the heart?

Some glands affect multiple functions in the body, and other glands are more specialized. Consider these endocrine glands: adrenals, liver, pancreas, pituitary, salivary, and thyroid. The table categorizes these glands according to the functions they regulate. (Functions are listed in the top row.) Which labels should replace the numbers to correctly complete the table?1Digestion3GrowthAdrenalsPancreasPituitary4PituitarySalivaryAdrenals Pancreas2

Which hormone is responsible for the development of the male secondary sex characteristics?

Which best describes the vulva?

At the site of gas exchange in the lungs, where does the oxygen move?

The picture represents the respiratory system.

A person who has allergies has a compromised immune system because the body’s immune system

A doctor is trying to diagnose a patient with short stature. She plots the girl’s growth in red on the growth chart below to compare it to the typical growth rates, which are shown in black.Based on the data, which of the following is the most likely diagnosis?

Which is the role of the gall bladder?

Which statement best describes hormones?

Which statement best describes the breakdown of food in the digestive system?