Question: Answer the following question given this paragraph: From the eighth week following fertilization until birth, the developing human being is called a fetus. Birth typically occurs at about 38 weeks after fertilization, so the fetal period generally lasts about 30 weeks. During this time, the organs complete their development. The fetus also grows rapidly in length and weight. Some of the specific changes that occur during the fetal stage are listed in Figure below . Q: Approximately how many weeks does the fetal period last? A:
OPTIONS:
- 10 weeks
- 25 weeks
- 27 weeks
- 30 weeks
Answer: 30 weeks

input with options: Answer the following question given this paragraph: Q: Tissues of marine bony fishes gain what from their surroundings? A:
OPTIONS:
- toxins
- absorb salts
- mercury
- excess salts
output: excess salts

Q: Answer the following question given this paragraph: Lipids are a class of biochemical compounds that living things use to store energy. Types of lipids include fats and oils. Q: What are a class of biochemical compounds that living things use to store energy? A:

OPTIONS:
- hydrocarbons
- proteins
- calories
- lipids

A: lipids

input: OPTIONS:
- the liver
- the bladder
- the thyroid
- the kidney Now, answer this question: Answer the following question given this paragraph: The kidneys filter all the blood in the body many times each day and produce a total of about 1.5 liters of urine . The kidneys control the amount of water, ions, and other substances in the blood by excreting more or less of them in urine. The kidneys also secrete hormones that help maintain homeostasis. Erythropoietin , for example, is a kidney hormone that stimulates bone marrow to produce red blood cells when more are needed. They also secrete renin, which regulates blood pressure, and calcitriol, the active form of vitamin D, which helps maintain calcium for bones. The kidneys themselves are also regulated by hormones. For example, antidiuretic hormone from the hypothalamus stimulates the kidneys to produce more concentrated urine when the body is low on water. Q: Which organ in the human body filters blood and excretes urine? A:
A:
output: the kidney

Answer the following question given this paragraph: Sebaceous glands are commonly called oil glands. They produce an oily substance called sebum. Sebum is secreted into hair follicles. Then it makes its way along the hair shaft to the surface of the skin. Sebum waterproofs the hair and skin and helps prevent them from drying out. Q: What oily substance prevents the hair and skin of living things from drying out? A:

OPTIONS:
- pus
- progesterone
- pancreatic enzymes
- sebum

Answer: sebum

Q: Answer the following question given this paragraph: Earth's magnetosphere is controlled by the magnetic field. The magnetosphere protects the planet from the solar wind . The solar wind is ions that fly from the Sun to Earth very fast. The magnetosphere protects Earth's ozone layer. So life on Earth needs the protection of the magnetosphere. Q: What controls earth's magnetosphere? A:

OPTIONS:
- ionosphere
- stratosphere
- gravitational field
- magnetic field

A:
magnetic field