Human Organs System

Question 1

The human brain is enclosed in _________?

Answer 1

cranium
bony skull called cranium

Question 2

Cerebrum is divided into

Answer 2

right and left cerebral hemispheres

Question 3

cerebrum controls?

Answer 3

seeing hearing memory, speech thinking feelings emotions perception decision making etc.

Question 4

thalamus controls?

Answer 4

sensory functions

Question 5

hypothalamus controls?

Answer 5

body temp. hunger and thirst

Question 6

I’m always hungry which part of the brain is responsible for it?

Answer 6

hypothalamus

Question 7

the midbrain is present?

Answer 7

below the cerebrum

Question 8

cerebellum location?

Answer 8

it lies under the back part of the cerebrum

Question 9

medulla oblongata controls?

Answer 9

heartbeat digestion and breathing

Question 10

I feel difficulty swallowing
what part of brain is responsible for it

Answer 10

pons

Question 11

brain of an adult man weighs?

Answer 11

1.5 kg

Question 12

spinal cord functions?

Answer 12

it creates a link between the brain and different body parts
it controls some reflex actions and other involuntary actions

Question 13

nerves that arise from the brain?

Answer 13

12 pairs of cranial nerves

Question 14

nerves that arise from the spinal cord?

Answer 14

31 pairs of spinal nerves

Question 15

what is a stimulus?

Answer 15

any change in the environment (internal or external) that can be detected by a receptor to begin a nerve impulse

Question 16

what are receptors?

Answer 16

The special organs, cells, or tissues which detect stimuli are called receptors.

Question 17

what is a reflex action?

Answer 17

An immediate & involuntary response to a stimulus.

Question 18

the ______ is a little lower than the _______.

Answer 18

right
left

Question 19

there are ____________ nephrons in each kidney.

Answer 19

over 1 million