Skeletal and Muscular System
you need to be able to label the parts of what major organ?
When you exercise your body needs...
more oxygen
what is the connection between muscular and skeletal?
movement
how do humans move?
walk on 2 legs, arms rotate, joints bend in certain directions
name the four main jobs
support: holds your body up
protection: protects important organs (e.g., skull, brain, ribs, heart and lungs)
movement: works with muscles to help you move
blood cell production: bone marrow makes blood cells
on a diagram you need to be able to show what parts?
aorta, pulmonary vein and artery, valves, right atrium, right ventricle, left atrium, left ventricle
your heart pumps faster to deliver...
oxygen rich blood quickly
what is the connection between respiratory and circulatory?
oxygen to lungs then to blood then to body
how do animals move?
jumps, swims, flies, gallops, crawls
three types of muscles are...
1. skeletal: voluntary - moves your muscles when you want to
2. smooth: involuntary - found in stomach, organs, and blood vessels
3. cardiac: found only in the heart
Name the three types of blood vessels
1. Arteries - carry blood away from the heart
2. Veins - Carry blood towards the heart
3. Capillaries - tiny vessels that transfer blood between the arteries and veins
heart rate increases when?
you exercise
compare an animal to a human, give an example
animal:
number of legs:
types of joints:
body shape:
habitat:
hear rate slows down when?
you rest