Human Biology Science Test

Question 1

What does the alveoli’s role?

Answer 1

The alveoli are where the lungs and the blood, exchange oxygen and carbon dioxide during the process of breathing in and breathing out.

Question 2

Compare and contrast Villi and Alveoli

Answer 2

Both alveoli and villi help in increasing surface area of the respective organ. Although, villi are the cells that line the walls of your small intestine and absorb nutrients from the food you eat and the alveoli are tiny air sacs in your lungs that take up the oxygen you breathe in and keep your body going.

Question 3

Why does age affect fertility?

Answer 3

Fertility decreases with age in women, particularly after the age of 35 because both the number and quality of eggs get lower. A lower number of normally shaped sperm results in male fertility decline, as sperm that is abnormal, is less likely to fertilize an egg.

Question 4

Compare and contrast female and male s*x hormones

Answer 4

Generally, females and males have the same hormones like estrogen, progesterone, and testosterone, but their production sites, blood concentrations, and their interactions with organs, and systems are different.

Question 5

How do smoking and vaping affects teenagers?

Answer 5

Vaping puts nicotine into the body. Nicotine is highly addictive and can, slow brain development in teens and affect memory, concentration, and learning. It also increases the risk of other types of addiction later in life.