Name the different things that bones do for your body?
give you form and hold you up, protect organs, make blood cells, store minerals and fats, help you move
What are 3 kinds of muscle tissue?
Skeletal, smooth, and cardiac
What is the white outer layer of your tooth called?
enamel
explain how the conchae help warm and moisten the air you breathe.
they disrupt the air flow, making the air bounce around and hit the warm, moist tissue in your nasal cavity.
what is the main artery that takes blood out of the heart to the body?
ascending aorta
Periosteum
Which muscles are voluntary and which are involuntary? (skeletal, smooth, and cardiac)
skeletal: voluntary
smooth and cardiac: involuntary
What is the layer right below your enamel?
dentin
what are your bronchi?
they are the tubes that carry air from your trachea to your lungs.
what are the names of the 2 veins that bring deoxygenated blood from the tissues of the body back to the heart?
superior and inferior vena cava
What is the bone tissue that forms tunnels and pores called?
Spongy bone.
What do you call partial contraction of your muscles throughout the day?
Muscle tone
What does saliva do for you?
Begins chemical digestions, protects teeth, defends against infection, makes food taste better
What muscle is mostly responsible for your breathing?
diaphragm
what do the two numbers in a person's blood pressure mean?
The first number is the pressure against the artery walls when the ventricles contract (systolic) and the second number is the pressure against the artery walls when the ventricles relax (diastolic).
Two types of bone marrow?
Red bone marrow and yellow bone marrow.
What do muscle cells have a lot of that give them energy?
Mitochondria
what is the food called when it enters the small intestine?
chyme
Name 4 functions of your blood?
transportation, temperature regulation, protection, and message carrier
what does a sensory neuron do compared with a motor neuron?
sensory: takes information to the brain
motor: send information from the brain to the muscles and organs of the body, telling them what to do
What cells make new bone?
Osteoblasts
What do muscles need to grow?
protein and exercise
How do your stomach and esophagus keep from getting burned by your own stomach acid?
Mucus is produced in the stomach, and the gastroesophageal sphincter keeps it in the stomach.
What are the 4 basic components of blood?
plasma, red blood cells, white blood cells, and platelets
How is the somatic nervous system different from from autonomic nervous system?
autonomic: part of the nervous system that covers the involuntary activities or the body.
somatic: part of the nervous system responsible for the voluntary movements you make.