Health Unit 1

The knowt for Mr Jeffery's health test

what was the pinnacle of God’s creation?

the creation of Adam and Eve

in what way was The Garden of Eden a picture of perfect health?

spiritually, emotionally, physically, socially, and environmentally

why should we practice good health habits?

to abuse or neglect our body’s needs is against God’s will

the two results of Adam and Eve’s disobedience

death

fear

why is the study of health important to christians?

so we can fulfill God’s mandate to care for His creation

cells

the basic structural unit of the body

system

organs working together to perform a specific body function

organelles

structures that perform special functions inside a cell

organs

tissues that work together to perform a specific bodily function

nucleus

acts as the “brain” of a cell

epithelial tissues

designed to regulate temperature, secrete lubricants, and protect the body from harmful substances

cytoplasm

the fluid-like substance inside of a cell

DNA

the genetic blueprint for all cells

what are some examples of connective cells?

tendons, blood, and fat

epithelial cells

they group together to form tissues that cover and protect the body inside and out

the immune system

protects your body from any organisms that threaten the destruction of cells

lymphocytes

white blood cells that produce antibodies

lymphatic system

a system of vessels that are responsible for the removal of bacteria in the bloodstream

the human body

the “head and crown” of creation

epidermis

the outer layer of the skin which makes the body waterproof, gives it color, and helps to maintain hydration levels

muscular tissues

tissues that work together to form muscles

the digestive system does what?

prepare food for absorption into the bloodstream

what does the pharynx do?

form the food into small balls and push it into the esophagus

what happens to the food inside the stomach?

it gets broken down by powerful acids and turned into chyme

how are nutrients absorbed into the bloodstream?

through small finger-like nodules on the wall of the small intestine called villi

the muscular system is composed of approximately how many skeletal muscles

600

muscles that move without conscious control

involuntary muscles

muscles that move by our control

voluntary muscles

when do skeletal and smooth muscles move?

when nerve impulses sent from the central nervous system (CNS) stimulate the muscle fibers, telling them to either contract or relax

what do the respiratory and circulatory system work together to do?

to add oxygen to the blood and remove carbon dioxide from the body

what does air pass from the trachea into the lungs through?

2 large tubes called bronchi

what does the integumentary system do?

it protects the internal organs from harmful bacteria, sunlight, and injury

what do the kidneys do?

remove excess water, salts, uric acids, and chemicals from the blood

what does the urinary bladder do?

stores the waste until it is ready to be expelled from the body

what does the endocrine system do?

regulate the body’s metabolism, growth, and the functions of the sexual organs

what does the pituitary gland do?

it controls and regulates all other glands, and secretes growth hormones

what does the pulmonary circulation do?

it brings carbon dioxide filled blood to the lungs

the human heart is divided into how many chambers?

4

what does the systemic circulation do?

it disperses oxygen rich blood throughout the body

what is the purpose of the axial skeleton?

to protect the body’s vital organs

what does the axial skeleton consist of?

the skull, spine, ribs, and the sternum

when does movement occur?

when the skeletal system works together with the muscular system

what is the main purpose of the nervous system?

to gather, interpret, store, and respond to information

what two smaller systems make up the nervous system?

the central nervous system (CNS) and the peripheral nervous system (PNS)

what are the two main organs of the CNS?

the brain and the spinal cord

what’s the difference between the CNS and the PNS?

the CNS analyzes info and initiates a response while the PNS returns the response and connects the CNS to the rest of the body

in what form does a neuron transmit info?

electrical impulses

what’s the difference between the autonomic nervous system and the somatic nervous system?

the autonomic nervous system sends signals to involuntary muscles, while the somatic nervous system sends signals to the voluntary muscles

what is the difference between the male reproductive organs and the female reproductive organs?

the male gamete (sperm) fertilizes the female gamete (egg)

when does human life begin?

conception

describe God’s involvement in the creation of everybody

He made us all in His own image and He cares for us

Why was The Garden of Eden a picture of perfect health?

it was free of disease and pain

what is the period between childhood and adulthood called?

adolescence

what is the stage of physical development during adolescence called?

puberty

when does puberty begin?

when the pituitary gland increases the amount of growth hormones in your bloodstream

what causes girls to look like women and boys to look like men?

the development of secondary sex characteristics

during puberty, extreme levels of hormones can cause people to experience an extreme range of emotions (true or false)

true

during adolescence, a desire for independence increases (true or false)

true

friends have an effect on what we do and say (true or false)

true

the best friends to have are those who seek out the answers to questions about life in God’s Word (true or false)

true

adult behavior is characterized by selfishness (true or false)

false, self-sacrifice

we should make decisions based on The Bible (true or false)

true

humans are called by God to live a life of service to others (true or false)

true

what is the first step in the creation of the human body?

conception

when does conception occur?

when the male gamete (sperm cell) fertilizes the female gamete (egg cell)

after the zygote divides into 2 cells it’s called what?

an embryo

the effort made by the mother to push out the baby from the uterus through the birth canal is called what?

labor

most infants can crawl and say a few words by the time they are how old?

18 months old

what sets the human apart from the animal kingdom?

the ability to use words

most children can understand abstract symbols and solve complex problems by the time they are how old?

12 years old

what briefly happens during the first trimester of pregnancy?

the embryo is moved into the uterus, a sac called the placenta forms around the embryo, and the body system start forming

what briefly happens during the second trimester of pregnancy?

features become more apparent, limbs grow hands and feet, and body systems continue to form

what briefly happens during the third trimester of pregnancy?

the organs are developed, and the respiratory system continues to develop more

why should we respect elderly people?

because they have lived longer than you and have lots of wisdom to give you

why should the christian not fear death?

because death has no power over us

what does The Bible say to do all of our life?

it says to glorify God in all that we do