Biology Exam Review

Question 1

What are the stages of Mitosis

Answer 1

1. Prophase
2. Metaphase
3. Anaphase
4. Telophase
   Last stage Cytokines

Question 2

How do the Respiratory and Circulatory system work together?

Answer 2

The circulatory system sends oxygen to all the different parts of the body and the respiratory system removes CO2

Question 3

In the alveoli (air sac) what type of gas comes in and then goes out?

Answer 3

Gas 1. Carbon Dioxide (CO2)

Gas 2. Oxygen (O2)

Question 4

Air enters through the nose then to the mouth into the treacha and then what?

Answer 4

Bronchi

Question 5

What do the arteries do?

Answer 5

The arteries are vessels that carry oxygen rich blood from the heart to the capillaries

Question 6

What are capillaries?

Answer 6

Capillaries are the smallest blood vessel

Question 7

What are veins?

Answer 7

Veins are vessels that carry carbon dioxide in the blood

Question 8

What do red blood cells do?

Answer 8

Carry oxygen and carbon dioxide in the blood

Question 9

List 2 things you can do to avoid a heart attack?

Answer 9

1. Exercise

2. Eat healthy

Question 10

What does the mouth do?

Answer 10

The mouth breaks down food in two ways. The first one is mechanically (teeth and tongue) and the second way is chemically (salvia)

Question 11

What does the stomach do?

Answer 11

The stomach holds food and churns it with the help of stomach acid

Question 12

What does the small intestine do?

Answer 12

The small intestine absorbs all the good nutrients, this is where most digestion occurs

Question 13

What does the large intestine do?

Answer 13

The large intestine absorbs water and whatever is left ends up as poop

Question 14

What is cancer?

Answer 14

Cancer is a broad group of diseases that result in uncontrolled cell division

Question 15

What are the causes of cancer?

Answer 15

Hereditary, UV, Virus

Question 16

How do they diagnose cancer?

Answer 16

Blood test, self checks, ultrasound, mammogram, colonoscopy, CT scans

Question 17

How can you treat cancer?

Answer 17

Surgery, Chemotherapy, Radiation

Question 18

How can you reduce your risk of being diagnosed with cancer?

Answer 18

Keeping healthy weight, eat fruits and vegetables, exercise, protect your self from sun, low alcohol

Question 19

What is a stem cell?

Answer 19

A cell that keeps dividing to make cells that can become specialized cells

Question 20

List the cells in order according to the cell hierarchy and give an example.

Answer 20

cell, tissue, organ, organ system, organism

Example: cell= stomach cell, tissue= stomach tissue, organ= stomach, organ system= digestive system, organism= human

Question 21

What is the cell theory?

Answer 21

All living things are composed of one or more cells. The cell is the basic unit of life. All cells come from pre-existing cells

Question 22

List 3 reason about why cells divide

Answer 22

1. Growth
2. Repair
3. Reproduction

Question 23

How is an animal cell differ from a plant cell

Answer 23

Animal cells have cell membrane and a cell wall and plant cells have chloroplasts for photosynthesis