Unit 4

Question 1

What is the trachea

Answer 1

funnels the inhaled air to the lungs and exhaled air out of the body

Question 2

What is the diaphragm

Answer 2

Faclitates breathing for the lungs

Question 3

What is liphasep

Answer 3

class of enzymes that break down triglycerides

Question 4

What is the function of the respiratory system

Answer 4

To bring oxygen into the body

Question 5

What are the parts of the respiratory system

Answer 5

trechea, lungs, and diaphragm

Question 6

Which organ produces bile

Answer 6

liver and it is stores in the liver’s gallbladder.

Question 7

What is the function of the endocrine system

Answer 7

creates and relases horomones

Question 8

What is the function of the digestive system

Answer 8

breaks down food into usuable nutrients

Question 9

What are the parts of the digestive system

Answer 9

mouth, esophagoes, stomach, small intestine, large intestine, rectum

Question 10

What would happen without a negative feedback loop

Answer 10

hormones would be overproduced

Question 11

In mamalls homeostatis is maintained by

Answer 11

endocrine and nervous system

Question 12

What do arteries do

Answer 12

take blood away from the heart

Question 13

What do veins do

Answer 13

take blood to the heart

Question 14

What are valves purpose

Answer 14

prevent the backword flow of blood

Question 15

what are capillaries

Answer 15

narrow diameter tubes that can fit red blood cells and are the site for exhange of nutriests waste and oxygen

Question 16

Explain the process of the cirulatory system

Answer 16

1. heart pumps blood that goes to the aortic valve
2. blood moves through smaller arteries until it reaches capillaries
3. oxygen molecules detach from the blood cells and slip on the wall into body tissue
4. veins pump blood back into the heart, through the right ventricle
5. pumps into the lung to produce more oxygen

Question 17

what is the nervous system

Answer 17

coordinates essntial functions in the human body

Question 18

what is the function of the pancreas

Answer 18

• secretes digestive juices -juices contain high level of biocarbonate which nutreizles acidic chyhme -creates pancreatic juices called ezymes which help break down food in the digestive process

Question 19

What is thyroid

Answer 19

controls metabolism

Question 20

What is pineal

Answer 20

produces melatonin which controls the circardian rhythem

Question 21

What is anterior pituitary

Answer 21

Produes growth hormone which controls cell growth

Question 22

What is the posterior pituitary

Answer 22

controls water balence

Question 23

What is transpiration

Answer 23

exhatlation of water vapor through the stomata

Question 24

what is a negative feedback loop

Answer 24

any homeostatis process that changes the direction of stimulus

Question 25

Oxygen moves from the lungs into the bloodstream through

Answer 25

small blood vessels called capillaries

Question 26

What is the main function of the large intestine?

Answer 26

to absorb water

Question 27

Explain the process of the Respiratory System

Answer 27

Air enters through the nasal cavity (nose). It travels through the pharynx then the larynx, then the trachea then it splits into two bronchi then smaller bronchioles. They become into terminal bronchioles, respiratory bronchioles, alveolar ducts, alveolar sacs, and then into alveolus where the gas exchange between the lung and blood takes place. The trachea brings air in and out so the carbon dioxide will go up the trachea.

Question 28

What are the protective mechanisms in the respiratory system?

Answer 28

in the nasal cavity, there are hairs and mucus. Lungs contain mucus. Bronchi and bronchioles contain cilia (hair like). This traps bad stuff.