Skin & Tissue
Melanin
What type of birth control is the only one that protects against STI?
Condoms
Which Neurotransmitter is responsible for reward and pleasure?
Dopamine
What is one difference between the endocrine system and the nervous system?
The endocrine system uses chemical signaling while nervous system uses electric signaling
General function of the lymphatic system?
Body's sewerage system by removing all fluid that leaks out of the blood vessels
Name the three layers of the skin and their functions
1. Epirdermis: protect immune system and give skin pigment
2. Dermis: Sweat glands, hair follicles and nerve endings
3. Subcutaneous tissue: Made up of fat, connective tissue and blood vessels
Rank these birth controls from most effective to least effective:
Condom, IUD, the shot, abstinence, the patch, dental dam
Abstinence, IUD, the shot, the patch, condom, dental dam
Where does the reward pathway start and end?
Starts in the VTA and ends in the pre-frontal cortex
What is the main functions of hormones?
They serve as messengers controlling and coordinating functions and activities of the body
What is a lymph node and what does it do?
they filter substances that travel through the lymphatic system to help fight infections.
Which UV rays are responsible for aging?
UVB
How and when does Fertilization occur?
It happens 5 days before the period where the sperm will meet an egg in the fallopian tube. If it stays, the fertilized egg will drop down the fallopian tube and into the uterus.
Reducing the number of receptors in the nueron but increasing the amount of neurotransmitters
How is the secretion of each hormone regulated?
Controlled by the negative feedback cycle where rising levels of hormones stop further secretion of then
How does the membrane become polarized?
By moving and storing different types of electrically-charged molecules on different sides of it's membrane.
Name the 4 stages of wound healing
Coagulation, Inflammation, Proliferation, Remodling
What are the glands that control the testes and ovaries?
Pituitary gland
What part of the neuron receives signals?
Dendrites
How do steroid and non-steroid hormones affect target cells?
Non-steroid hormones can usually not pass through the cell membrane to get to it's target while steroid hormones can.
What are the 5 types of immunoglobins?
IgA,IgG,IgM,IgD, IgE
Which structure(s) helps the skin regulate body temperature?
Sweat glands, hair, capilarries
Hormonal birth control raises which hormone for women?
Progesterone
The signal of the neuron travels in what order?
Soma, axon, dendrites , synaptic terminals
Dendrites, soma, axon, synaptic terminals
How does the body respond to stress?
The body releases a bunch of stress hormones which arouse the body for an emergency. The heart starts pumping faster, muscles tighten, blood pressure rises and breath quickens.
List the major parts of the peripheral nervous system?
Somatic Nervous system and the autonomic nervous system