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Human Biology Trivia Quiz

Some fairly basic human biology questions.

A multiple-choice quiz by tritran5555. Estimated time: 3 mins.

Author
tritran5555

Time
3 mins

Type
Multiple Choice

Quiz #
354,099

Updated
Dec 03 21

# Qns
10

Difficulty
Average

Avg Score
7 / 10

Plays
1633

One at a Time - Single Page - Timed Game

Question 1 of 10

1. The heart is the size of a fist and consists of four chambers, the two atria and the two ventricles. Which chamber pumps blood throughout the body? Hint

The right ventricle

The left atrium

The right atrium

The left ventricle

NEXT>

Question 2 of 10

2. The head houses the brain and is made up of lobes. Which lobe does not pertain to the brain? Hint

The frontal lobe

The superior lobe

The occipital lobe

The temporal lobe

NEXT>

Question 3 of 10

3. Which body organ has beta cells which secrete insulin? Hint

Spleen

Liver

Pancreas

Stomach

NEXT>

Question 4 of 10

4. When we extend our arms, which muscles contract? Hint

Biceps

Triceps

Extensor digitorum muscles

Flexor digitorum profundus

NEXT>

Question 5 of 10

5. A metatarsal fracture affects which part of the body? Hint

Hand

Spine

Eye socket

Foot

NEXT>

Question 6 of 10

6. The foods and drinks that we consume travel down a narrow, long, muscular tube in our bodies. What is the name of the tube? Hint

The bronchus

The trachea

The esophagus

The ureters

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Question 7 of 10

7. Skin is the largest external organ. Its function is to protect the underlying tissues and organs. What is the outermost layer of the skin called? Hint

Peridermis

Dermis

Epidermis

Subcutaneous

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Question 8 of 10

8. The electrical impulses of the heart are fired out from the sinoatrial node which is situated in which chamber? Hint

In the right atrium

In the left atrium

In the right ventricle

In the left ventricle

NEXT>

Question 9 of 10

9. Pulmonary edema is the state of having fluid in which organs? Hint

Breasts

Kidneys

Lungs

Eyes

NEXT>

Question 10 of 10

10. The endocrine glands are ductless and secrete hormones. Which one of these is a hormone? Hint

Saliva

Thyroxine

Pepsin

Amylase

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Quiz Answer Key and Fun Facts

1. The heart is the size of a fist and consists of four chambers, the two atria and the two ventricles. Which chamber pumps blood throughout the body?

Answer: The left ventricle

The left ventricle is the largest chamber because it has to pump blood throughout the whole body. The right ventricle pumps blood to the lungs only, then back to the heart. The two atria receive blood.

2. The head houses the brain and is made up of lobes. Which lobe does not pertain to the brain?

Answer: The superior lobe

The parietal is also a lobe of the brain. The head is called the cranium.
The function of the parietal lobe is to integrates sensory information; the function of the occipital lobe deals with the visual processing center; the frontal lobe is for short-term memory tasks and planning and the left and right temporal lobe provide a process of communication. The superior lobe is part of the lung.

3. Which body organ has beta cells which secrete insulin?

Answer: Pancreas

The pancreas also secretes pancreatic enzyme to help with the breaking down of fat carbohydrate and protein during digestion. The beta cells of the pancreas secrete insulin and failure of these cells causes Type 1 diabetes mellitus.

4. When we extend our arms, which muscles contract?

Answer: Triceps

The triceps work, antagonistically, with the biceps. This means if the triceps shorten, the biceps will relax. The triceps are the muscles of the arms. Extensor digitorum muscles and flexor digitorum profundus are muscles of the forearms.

5. A metatarsal fracture affects which part of the body?

Answer: Foot

The metatarsals are the bones of the feet. Phalanges are the bones of the toes. There are five metatarsals and fourteen phalanges on each foot. The largest bone of the foot is the calcaneus, or heel bone.

6. The foods and drinks that we consume travel down a narrow, long, muscular tube in our bodies. What is the name of the tube?

Answer: The esophagus

Foods go down the esophagus in peristalsis movement, meaning in wavelike motion.
The esophagus is a muscular passage for foods and drinks to travel. It is found in all vertebrates. A more common name of the esophagus is the gullet.

7. Skin is the largest external organ. Its function is to protect the underlying tissues and organs. What is the outermost layer of the skin called?

Answer: Epidermis

The outermost layer is the epidermis, then the next layer down is the dermis; the deepest layer of the skin is the fatty layer, called the subcutaneous layer.

8. The electrical impulses of the heart are fired out from the sinoatrial node which is situated in which chamber?

Answer: In the right atrium

The electrical impulses of the heart travel from the sinoatrial node in the right atrium to the atrioventricular node then to the Perkinje fibers in the ventricles. The firing of the impulses is called depolarization.

9. Pulmonary edema is the state of having fluid in which organs?

Answer: Lungs

Pulmonary pertains to the lungs. Edema is fluid in the lungs, causing a possible respiratory failure. The main symptom of pulmonary edema is difficulty in breathing but, sometimes, patients may cough up blood, sweat excessively, have anxiety and pale skin.

10. The endocrine glands are ductless and secrete hormones. Which one of these is a hormone?

Answer: Thyroxine

Saliva is not a hormone but an enzyme from the salivary gland. The salivary gland has a duct to conduct saliva to the mouth during digestion. Pepsin and amylase are enzymes, too. They help in the process of digestion. Thyroxine is produced by the thyroid gland. It helps speed up metabolism and creates energy. It also enhances the contraction of the heart and increases the heart rate.

Source: Author tritran5555

This quiz was reviewed by FunTrivia editor rossian before going online.
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