Which option is a main type of muscle tissue?(1 point)
Responses
skin
skin
blood vessels
blood vessels
cardiac
cardiac
spongy bone
5 answers
cardiac
Which list is an organ system?(1 point)
Responses
the heart, arteries, and veins
the heart, arteries, and veins
the liver, the bladder, and the heart
the liver, the bladder, and the heart
the liver, blood, and skin
the liver, blood, and skin
the heart, the stomach, and intestines
Responses
the heart, arteries, and veins
the heart, arteries, and veins
the liver, the bladder, and the heart
the liver, the bladder, and the heart
the liver, blood, and skin
the liver, blood, and skin
the heart, the stomach, and intestines
the heart, the stomach, and intestines
Which is most complex?(1 point)
Responses
tissues
tissues
organs
organs
cells
cells
organ system
Responses
tissues
tissues
organs
organs
cells
cells
organ system
organ system
1 answer