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:star: UNIT 2 BODY SYSTEMS 2 :star: - Coggle Diagram
:star: UNIT 2 BODY SYSTEMS 2 :star:
FOOD AND NUTRIENTS
PROTEIN
For tissue growth + repair & in chemical reaction within cells
Plants 🌱
ex. pulses & cereals 🥣
fewer amino acids
Disease = Kwashiorkor🤰
dermatitis
enlarged liver 🤰
thin hair💇♀️
easily removed teeth 🦷
distended abdomen
Animals 🐮🐠🐣
ex. meat 🥩, fish 🐟, eggs 🍳, dairy products 🧈🍼
full range of amino acids
Made form amino acids
CARBOHYDRATES
sugar & starch in food 🥤🌽
provide energy & raw materials to make cell parts ⚡
✨1 gram= 4cal/kcal= 17 kJ ✨
Simple
FLaGS 🏳️🌈
fructose & lactose (🍼)
glucose (🍓🍆)
sucrose (table sugar 🍬)
Complex
StaFi (sound like stuffy🧸)
has many sugar molecules
starch (have to be broken down & is found in lots of food (🥔🍞🥣🍙🍝
fiber (can't be broken down 🥦🍓🥑🍿🍎)
ENZYMES
catalysts 🌵
speed up chemical reactions🧪
lowering activation energy 📉
ORGANS
SMALL INTESTINES
chemical digestion & absorption
inner surface is covered with villi
absorb nutrient molecules
extend surface area = makes digestion faster stomachs
tubular structure
23 feet
3 structures
ileum
duodenum
jejunum
GALL BLADDER
stores bile
break down fat
small pouch organ
upper part of tummy 🧘♀️
ESOPHAGUS
muscular tube
mouth - stomach
lined w/ mucus
muscles to push food to stomach
DIGESTION
mechanical
make food smaller to increase mobility 🤏
chewing 👄 & tongue w/ saliva 👅
Chemical :
discharge of enzymes through digestive tract 🍴😋
enzymes break bonds 💔
REPRODUCTIVE SYSTEMS
MALE
♂️
organs
UPF VEST 🦺
urethra
a tube
bladder-opening penis
let urine & sperm out ➡
penis
soggy tissue
blood flow 🩸
remove urine
sperm ➡ female
foreskin
skin
protect penis
vas deferens
hollow tube
⬆ 12 inch
epididymis
coiled tube
sperm mature as they pass
20-23 feet
scrotum
a skin that cover testes
muscles help w/ temp control 🌡
testes
where sperm & testosterone is produced
sperm
sex cells
fertilize eggs 🔴
FEMALE ♀
hormone
body weight, hair 💇♀️, bone 🦴 & muscle 💪 growth
estrogen
fertilization
sperm cell meets egg
fertilized cell = zygote
ovulation
production of eggs
1/menstrual cycle
embryo development
after 4 days fertilized
embryo= filled w/ fluid
menstrual cycle
1/month ovaries produce eggs
egg go through fallopian tubes to uterus
egg break down in uterus and uterus lining shed and go to vagina
egg leaves w/ shedding in vagina
menopause
end of menstrual cycle
after 1 year of no period
in 40-50s but av. age = 51
PUBERTY
MALE
♂️
12-13
changes
growth spurt
acne
larynx appear
facial hair growth
shoulders broaden
underarm hair growth
sweat more
muscles develop
pubic hair growth
genitals enlarge
sperm production
ejaculation
long bone stop growing
FEMALE ♀
8-13 y.o.
changes
breast become fuller
period
pubic hair grow
underarm hair grow
sweat more
get acne
white vaginal discharge
growth spurt
gain weight