Organs and Organ Systems in Animals

Question 1

Define organ system.

Answer 1

A number of organs working together to carry out an overall life function.

Question 2

Give examples of organs.

Answer 2

Heart
Kidney
Liver
Brain
Optic nerve
Biceps muscle
Lungs
Eye

Question 3

What organs and tissues are involved in the digestive system?

Answer 3

Oesophagus, stomach, intestines plus associated glands, the liver and the pancreas

Question 4

What organs and tissues are involved in the circulatory system?

Answer 4

Heart and blood vessels

Question 5

What organs and tissues are involved in the respiratory system?

Answer 5

Airways and lungs, plus diaphragm and intercostal muscle

Question 6

What organs and tissues are involved in the urinary system?

Answer 6

Kidneys, ureters and bladders

Question 7

What organs and tissues are involved in the integumentary system?

Answer 7

Skin, hair and nails.

Question 8

What organs and tissues are involved in the musculoskeletal system?

Answer 8

Skeleton and skeletal-muscles

Question 9

What organs and tissues are involved in the immune system?

Answer 9

Bone marrow, thymus gland, skin, stomach acid and blood.

Question 10

What organs and tissues are involved in the nervous system?

Answer 10

Brain, spinal cord and nerves

Question 11

What organs and tissues are involved in the endocrine system?

Answer 11

Glands that make hormones e.g. thyroid, ovaries, testes, adrenals.

Question 12

What organs and tissues are involved in the reproductive system?

Answer 12

Testes, penis, ovaries, uterus and vagina.

Question 13

What organs and tissues are involved in the lymph system?

Answer 13

Lymph nodes and vessels.

Question 14

What life processes are performed at the digestive system?

Answer 14

Nutrition to provide ATP and materials for growth and repair.

Question 15

What life processes are performed at the circulatory system?

Answer 15

Transport to and from cells

Question 16

What life processes are performed at the respiratory system?

Answer 16

Breathing and gaseous exchange.

Question 17

What life processes are performed at the urinary system?

Answer 17

Excretion and osmoregulation.

Question 18

What life processes are performed at the integumentary system?

Answer 18

Waterproofing, protection and temperature regulation.

Question 19

What life processes are performed at the musculoskeletal system?

Answer 19

Support, protection and movement.

Question 20

What life processes are performed at the immune system?

Answer 20

Protection against pathogens

Question 21

What life processes are performed at the nervous system?

Answer 21

Communication, control and coordination

Question 22

What life processes are performed at the endocrine system?

Answer 22

Communication, control and coordination.

Question 23

What life processes are performed at the reproductive system?

Answer 23

Reproduction

Question 24

What life processes are performed at the lymph system?

Answer 24

Transports fluid back to the circulatory system and is also important in resisting infections.