What are the two layers of the skin?
dermis and epidermis
Label the following using the terms:
ureter
urethra
kidney
bladder
A - kidney
B - ureter
C - bladder
D - urethra
A _________ is a chemical messenger released into the bloodstream that signals to any organs with a matching receptor.
hormone
What structure connects the baby in the womb to the placenta?
umbilical cord
Name the two types of gametes.
sperm cells and egg cells
Name three structures found in the dermis
When the body is over hydrated, the kidneys will produce _________ (more / less) urine that is _________ (more / less) concentrated.
more, less
Which of the following does not secrete hormones?
A. Pituitary gland
B. Adrenal glands
C. Pancreas
D. Salivary glands
D. salivary glands
Describe two changes that occur during puberty for both men and women as a result of hormones from the pituitary gland.
-Acne & oily hair
-Growth spurts
-Weight gain
-Mood changes
-development of reproductive organs
- production of gametes
The pineal gland produces ____________ , which causes the brain and body to transition to sleep.
melatonin
Name 3 functions of the skin.
communication (sensation), protection, secretion
nephrons
The ________ gland controls metabolism, energy, & blood calcium levels.
thyroid gland
Which of the following occurs first in the process of conception and prenatal development?
A. the amniotic sac forms
B. an embryo implants in the uterus
C. a sperm cell units with an egg
D. an egg is released from the ovary
D. an egg is released from the ovary
What gland "activates" puberty?
pituitary gland
What tough, waterproof protein is found in the epidermis of the hands and feet, hair, and nails?
keratin
Name one condition of the urinary system and what causes it.
kidney stones, Urinary Tract Infection, kidney failure, effect of diuretics
Sally has been experiencing increased levels of stress and anxiety. She finds it hard to sleep at night and is constantly "on edge." What gland is likely overproducing hormones?
adrenal glands
Place the following events of childbirth in order.
A. Uterus contracts
B. Baby delivered through birth canal
C. Amniotic sac breaks
D. Birth canal dilates
E. Placenta delivered
A. Uterus contracts
C. Amniotic sac breaks
D. Birth canal dilates
B. Baby delivered through birth canal
E. Placenta delivered
Place the following events of filtration in the kidneys in order:
A. Fluid with nutrients and waste leaves blood
B. Wastes are concentrated and excreted
C. Blood enters capsule
D. Wastes are filtered off, fluid and nutrients return to blood
C. Blood enters capsule
A. Fluid with nutrients and waste leaves blood
D. Wastes are filtered off, fluid and nutrients return to blood
B. Wastes are concentrated and excreted
Describe what causes acne?
A blocked oil pore becomes infected and filled with pus.
Name the four main functions of the excretory system.
exhalation, defecation, sweating, urination
pituitary, thyroid, pancreas, adrenal, pineal
Name an organ other than the five glands above that produces hormones.
kidneys, testes, ovaries, placenta, thymus, hypothalamus
Which structure(s) forms last during prenatal development?
A. cartilage skeleton
B. limbs
C. respiratory system
D. limbs
E. heart
C. respiratory system
A __________ is a name for chemicals such as alcohol and caffeine that interfere with hormones to the kidneys, causing the kidneys to produce more urine that is less concentrated, so the body looses water.
diuretic