Exam 3

Question 1

What is the circulatory system responsible for?

Answer 1

Moving blood, bringing oxygen/nutrients to organs, and removing waste like CO2.

Question 2

What are the main organs of the circulatory system?

Answer 2

Heart (four chambers), blood vessels (veins, arteries, capillaries), and blood.

Question 3

What does the right atrium do?

Answer 3

Receives deoxygenated blood from the body.

Question 4

What does the right ventricle do?

Answer 4

Pumps deoxygenated blood to the lungs.

Question 5

What does the left atrium do?

Answer 5

Receives oxygenated blood from the lungs.

Question 6

What does the left ventricle do?

Answer 6

Pumps oxygenated blood to the body.

Question 7

What are the four major blood vessels of the heart?

Answer 7

Vena cava, pulmonary artery, aorta, pulmonary vein.

Question 8

What are the four heart valves?

Answer 8

Aortic, mitral, pulmonary, tricuspid.

Question 9

What is the function of heart valves?

Answer 9

Ensure blood flows in the right direction and at the right time.

Question 10

The flow of blood between the heart and the lungs is called?

Answer 10

Pulmonary circulation

Question 11

Which is NOT a function of the circulatory system?

Answer 11

Break down carbohydrates into glucose

Question 12

Arteries, veins, and capillaries are types of what?

Answer 12

Blood vessels

Question 13

Which vessel must withstand high blood pressure?

Answer 13

An artery

Question 14

How many chambers does the human heart have?

Answer 14

Four

Question 15

What are the major types of tissue?

Answer 15

Nervous, Muscle, Epithelial, and Connective

Question 16

What does basal cell carcinoma do in the skin?

Answer 16

Produces new skin cells as old ones die off

Question 17

What causes basal cell, squamous cell, and melanoma cancer?

Answer 17

UV radiation from sunlight

Question 18

What two parts form the central nervous system?

Answer 18

Brain and spinal cord

Question 19

What are the three types of muscle tissue?

Answer 19

Cardiac, smooth, skeletal

Question 20

Where does gas exchange in the lungs occur?

Answer 20

Alveoli

Question 21

Main function of the diaphragm?

Answer 21

To help move air in and out of the lungs

Question 22

Which structure connects the throat to the lungs?

Answer 22

Trachea

Question 23

What happens in the alveoli?

Answer 23

Oxygen is exchanged for carbon dioxide

Question 24

Correct order of airflow into the lungs?

Answer 24

Nose → Trachea → Bronchi → Bronchioles → Alveoli

Question 25

Name one important bone and its function.

Answer 25

Femur – supports weight and enables movement.

Question 26

How do bones interact?

Answer 26

Humerus and ulna form the elbow joint to allow arm movement.

Question 27

What is cartilage?

Answer 27

Flexible connective tissue that cushions joints.

Question 28

What is osteoarthritis?

Answer 28

A condition where cartilage breaks down, causing joint pain.

Question 29

Where is osteoarthritis most common?

Answer 29

Knees, hips, hands, and spine

Question 30

Effects of osteoarthritis?

Answer 30

Pain, swelling, stiffness, reduced motion

Question 31

What can cause a bone trauma?

Answer 31

Injury, fall, sports, or accidents

Question 32

Where is the urinary system located?

Answer 32

Lower abdominal area

Question 33

Which organ carries urine from kidneys to bladder?

Answer 33

Ureters

Question 34

What are kidney stones?

Answer 34

Hard deposits of minerals and salts in kidneys.

Question 35

Which organ expels urine from the body?

Answer 35

Urethra

Question 36

What muscles prevent urine leakage?

Answer 36

Sphincter muscles

Question 37

What can the body do without the nervous system?

Answer 37

Nothing

Question 38

Which boxer has traumatic brain injury?

Answer 38

Prichard Colon

Question 39

The nervous system includes brain and what?

Answer 39

Spinal cord

Question 40

Two parts of the nervous system?

Answer 40

Peripheral and central

Question 41

Basic building block of neurons?

Answer 41

Nerve cell

Question 42

Where does digestion begin?

Answer 42

Mouth

Question 43

Four stages of liver failure?

Answer 43

Inflammation, Fibrosis, Cirrhosis, and Liver failure

Question 44

Where does most nutrient absorption occur?

Answer 44

Small intestine

Question 45

Longest part of the digestive system?

Answer 45

Small intestine

Question 46

Organ that churns and mixes food with acid?

Answer 46

Stomach

Question 47

How many parts does the uterus have?

Answer 47

3

Question 48

Fallopian tubes transfer eggs from ___ to ___?

Answer 48

Ovaries to uterus

Question 49

Where does fertilization typically occur?

Answer 49

Fallopian tubes

Question 50

Ovaries are crucial for?

Answer 50

Menstruation and conception

Question 51

Where does pregnancy occur?

Answer 51

Uterus

Question 52

What does the male urethra carry?

Answer 52

Semen and urine

Question 53

Main products of the testes?

Answer 53

Sperm and testosterone

Question 54

What do epididymis cells provide sperm?

Answer 54

Fluids

Question 55

Where is the prostate located?

Answer 55

Below the bladder and in front of the rectum

Question 56

What causes erection during arousal?

Answer 56

Filling with blood