WorksheetsHuman Body Systems
Total questions: 46
Worksheet time: 30mins
What is the main function of the endocrine system?
For growth and development of the body
It is a protective barrier against infection and disease
To send and receive electrical messages
To create movement
Which body system's is used for communicating and directing the body with electrical signals?
Endocrine
Nervous
Circulatory
Cardiovascular
The cardiovascular system consists of what organ?
Heart
Kidneys
Skin
Cell
Which system provides oxygen and removes carbon dioxide?
digestive
muscular
respiratory
nervous
Which system carries nutrients, water, and oxygen to body cells?
muscular
circulatory
skeletal
respiratory
How do the skeletal and muscular systems work together to provide movement?
By allowing oxygen to get to cells
By sending chemical messengers to the muscles
By using the nutrients from food to create energy
By having muscles pull on bones in pairs
What is the order of organization in the body from smallest to largest?
Cell, tissue, organ system, organ, organism
Cell, organ, organ system, tissue, organism
Cell, tissue, organ, organ system, organism
Organism, organ system, organ, tissue, cell
At the end of mitosis you have _____ cells
identical
different
identical twins
variety
A human body (somatic) cell usually has how many chromosomes?
6
22
4
46
The chromosomes that pair up during meiosis, are called __________ chromosomes.
heterozygous
asexual
homologous pairs
genes
