Which option is a main type of muscle tissue?(1 point)

Question

Responses

skin
skin

spongy bone
spongy bone

blood vessels
blood vessels

cardiac

Answer 1

cardiac

Answer 2

Which list is an organ system?(1 point)
Responses

the liver, blood, and skin
the liver, blood, and skin

the heart, the stomach, and intestines
the heart, the stomach, and intestines

the liver, the bladder, and the heart
the liver, the bladder, and the heart

the heart, arteries, and veins

Answer 3

the heart, the stomach, and intestines

Answer 4

Which is most complex?(1 point)
Responses

organ system
organ system

tissues
tissues

organs
organs

cells

Answer 5

organ system