Question

Which theory explains cells and living organisms?
science theory
organism theory
cell theory
world theory

Answer 1

I would say C

Answer 2

THANKZ

Answer 3

no problem

Answer 4

ow many organ systems are there in the human body?
5 organ systems
8 organ systems
11 organ systems
13 organ systems

Answer 5

What do you think ?

Answer 6

8

Answer 7

All you @Abhisar
I have no idea!

Answer 8

Why 8 ?
Can you name them ?

Answer 9

stomach, heart, lungs, liver, kidney, etc.

Answer 10

@SoccerChick101 those are organs, question is asking about Organ systems.

Answer 11

Ohhh wopps lol!

Answer 12

I'll name a few, try to find what i am missing.

Answer 13

11

Answer 14

Circulatory System (heart, blood, vessels)
Respiratory System (nose, trachea, lungs)
Immune System (many types of protein, cells, organs, tissues)
Skeletal System (bones)
Excretory System (lungs, large intestine, kidneys)
Urinary System (bladder, kidneys)
Muscular System (muscles)
Endocrine System (glands)
Digestive System (mouth, esophogus, stomach, intestines)
Nervous System (brain, spinal cord, nerves)
Reproductive System (male and female reproductive organs)

Answer 15

Large intestine comes under Digestive system. Ecretory and urinary systems are same

Answer 16

*Excretory

Answer 17

Respiratory
Skeleton
Excretory
Digestive
Endocrine
Reproductive
Nervous system
Circulatory System