Science: Human Body Systems

Question 1

Skin is included in two systems

Answer 1

Excretory system

Immune systems

Question 2

Deoxygenated blood enters heart through

Answer 2

Right atrium

Question 3

Blood leave heart through _ to the lungs to pick up oxygen

Answer 3

Pulmonary artery

Question 4

Oxygen rich blood returns to heart through _ and is pumped to rest of body through _

Answer 4

Left atrium

Left ventricle

Question 5

_ system moves blood and other substances through the body

Answer 5

Muscular system

Question 6

Voluntary muscles

Involuntary muscles (2)

Answer 6

Skeletal muscles

Smooth muscles (digestive tract) and cardiac muscles

Question 7

Produce antibodies that bind to foreign substances and neutralize them

Answer 7

B cells

Question 8

Remove body cells that have been infected by bacteria or viruses

Answer 8

T cells

Question 9

Brain:

Biggest area
Control thinking, vision, hearing, touch

Answer 9

Cerebrum

Question 10

Brain:

Located back and bottom
Controls motor movements

Answer 10

Cerebellum

Question 11

Brain:

Brain stem connects to spinal cord
*controls automatic functions of body

Answer 11

Medulla

Question 12

Transmit messages to the muscles

Answer 12

Axons

Question 13

liver part of what systems (2)

Answer 13

Endocrine and excretory

Question 14

Produces a fluid that nourishes and protects sperm

Answer 14

Prostate