a. Khi vật nuôi đói hay khát: cần cho vật nuôi thức ăn đủ và phù hợp, cho nước uống đủ và sạch.

b. Khi thời tiết nắng nóng: tắm mát, cho uống đủ nước, ở trong chuồng trại thoáng má

- Tư thế ngồi học cần ngay ngắn ở nơi có đủ ánh sáng.

- Sách cách mắt từ 25 đến 30 cm

Sơ đồ vòng tuần hoàn của nước trong tự nhiên

kệ nó tự nó nộp

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