The gland that releases hormones into the blood are part of the
digestive system
endocrine system
circulatory system
respiratory system
Correct answer is B
No explanation has been provided for this answer.
The following animals are invertebrates except
flat worms
round worms
chordate
protozoan
Correct answer is C
No explanation has been provided for this answer.
The following animals are viviparous expect
Cow
Dog
Goat
Pigeon
Correct answer is D
Pigeons are oviparous animals, meaning they lay eggs to reproduce.
The following distrupts the balance in an ecosystem except
afforestation
deforestation
migration
pollution
Correct answer is A
Afforestation prevents wind related disasters and soil erosion, both of which could harm humans and their resources.
The following are the functions of the kidneys, except
Regulating water content in the blood
Maintaining blood pH and homeostasis
excreting carbon dioxide
Removing waste products from the blood
Correct answer is C
Carbon dioxide is excreted by the lugs through the nostrils.