Characteristics of the Human Body
- Question: Which of these joints is not found in the human body?
- Answer: A mortise and tenon joint is used in architecture. Gliding, ball and socket, and suture joints can be found in the human body.
- Question: How many facial muscles are involved in speaking?
- Answer: About 70 muscles are involved in speaking. These are located in several parts of the head, neck, and mouth.
- Question: What is the word for a person with very pale skin and eyes?
- Answer: An albino is a person or animal who is born without any natural pigmentation in the skin, eyes, or hair. Albinism is very rare.
- Question: How many basic tastes can humans sense?
- Answer: Humans can sense five basic tastes: salty, sweet, sour, bitter, and umami (representing chemicals known as amino acids).
- Question: How much blood is in the average human body?
- Answer: The average human carries about 192.7 ounces (5.7 liters) of blood. Altogether, this quantity of blood circulates through the body twice a minute.
- Question: Which of these is not part of the endocrine system?
- Answer: The major glands of the endocrine system include the pituitary, thyroid, and adrenal glands, as well as the pancreas. The lungs are part of the pulmonary system.
- Question: What sensory function do the ears provide other than hearing?
- Answer: The ear is also responsible for maintaining the body’s equilibrium, or balance.
- Question: How many sweat glands does the average person have?
- Answer: The average person has 2.6 million sweat glands, which are widely distributed over the body.
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Encyclopædia Britannica, Inc.
Encyclopædia Britannica, Inc.