Final

Question 1

Respiratory system function

Answer 1

Primary function is gas exchange between alveoli and pulmonary capillaries

Question 2

Immune system function

Answer 2

Primary function is to keep us disease free by keeping pathogens out

Question 3

Digestive system function

Answer 3

Breakdown of food into nutrients to be absorbed for energy

Question 4

Nervous system function

Answer 4

Primary function is to control and coordinate body functions by regulating organ systems

Question 5

Urinary system function

Answer 5

Regulate extracellular fluid by filtering the blood of wastes

Question 6

Lymphatic system function

Answer 6

Primary function is to maintain fluid levels in the body by returning fluid leaded out of capillaries back into the blood

Question 7

Integumentary system function

Answer 7

It’s the largest organs system that protects us from the outside world and helps to regulate body temperature

Question 8

Endocrine system function

Answer 8

secretes regulatory hormones into the blood

Question 9

Musculoskeletal system function

Answer 9

Provides framework and movement and support for our body

Question 10

Reproductive system

Answer 10

Produce offspring to continue the human species

Question 11

Circulatory system function

Answer 11

Transport oxygen & nutrients to all over the body and removes wastes like carbon dioxide

Question 12

Lythosomes

Answer 12

Contain digestive enzymes to digest worn out organelles or phagocytized pathogens

Question 13

Ribosomes

Answer 13

Site of protein synthesis

Question 14

Peroxisomes

Answer 14

Contain oxidative enzymes that remove hydrogen atoms from substrate

Question 15

Secondary vesicle

Answer 15

Stores molecules and proteins from endoplasmic reticulum and Golgi apparatus until the cell is ready to release it

Question 16

Mitochondrial

Answer 16

Site of ATP production: converts nutrients stored into glucose to atp for cells to perform cellular processes

Question 17

Smooth endoplasmic reticulum

Answer 17

Site of lipid and carbohydrate synthesis as well as specialized functions in cells such as the liver having detoxing functions

Question 18

Rough endoplasmic reticulum

Answer 18

Site of protein synthesis for proteins transported to Golgi apparatus

Question 19

Golgi apparatus

Answer 19

Proteins are further modified, packaged and sent off to their final destination in the cell or body

Question 20

Nucleus

Answer 20

Contains nucleolus and DNA

Question 21

Nucleolus

Answer 21

Makes ribosomes

Question 22

O2 role in the body

Answer 22

1. Oxygen is the final electron acceptor for the electron transport
2. It’s important for maintaining homeostasis

Question 23

Blood pressure role in the body

Answer 23

Maintains adequate blood flow to tissues

Question 24

Osmolarity role in the body

Answer 24

1. Prevents shrinking and swelling of cells by maintaining water and sodium balance

Question 25

Calcium role in the body

Answer 25

1. Helps with coagulation ; formation of clots
2. Binds to troponin to release tropomyosin revealing myosin binding site for myosin heads to bind to for muscle contractions

Question 26

Potassium (k+) role in the body

Answer 26

Helps maintain normal levels inside cell via na+/k+ pump

Question 27

Sodium (na+) role in the body

Answer 27

1. Essential for creating resting membrane potential so excitable cells like neurons and muscle cells can create action potentials

Question 28

Ph role in the body

Answer 28

• keep our acid/ base balance

Question 29

Glucose role in the body

Answer 29

1. Main source of energy for the body
2. Helps keep blood sugar levels constant

Question 30

Body temperature role in the body

Answer 30

Helps maintain homeostasis by shivering if too cold and sweating if too hot

Question 31

Negative feedback loop for blood pressure (baroreceptor reflex)

Answer 31

Someone laying down gets gulp to quickly, causing venous return to decrease, causing end diastolic volume to decrease, decreasing stroke volume, which decreases cardiac output causing blood pressure to drop. The drop of blood pressure is sensed by the baroreceptors, who send signals to the cardiac control center and vasomotor center in the medulla oblongata. The cardiac control center sends signals to the arterioles to vasoconstrict and to increase cardiac rate .